The primary modern-style code ever executed on a pc was written within the 1940s by a girl named Klára Dán von Neumann—or Klári to her household and buddies. And the historic program she wrote was used to develop thermonuclear weapons. On this season, we peer into an enchanting second within the postwar U.S. by way of the prism of von Neumann’s work. We discover the evolution of early computer systems, the important function girls performed in early programming, and the inextricable connection between computing and conflict.

After John von Neumann’s loss of life, Klári turns into the keeper of his legacy. It’s an exhausting, full-time dedication that takes her out of the computing world for good. She marries her fourth husband, a physicist, and strikes to a southern California seashore city. She resolves to calm down and begins writing a memoir. We focus on Klári’s legacy in computing and past and the present state of gender and programming.

This podcast is distributed by PRX and revealed in partnership with Scientific American.

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EPISODE TRANSCRIPT

KATIE HAFNER: Earlier than we get into it, only a notice—this episode contains content material that might be upsetting. We’ll be speaking about despair and self-harm.

KLARA VON NEUMANN: I’ve settled right down to my fifth incarnation beneath the sunny skies of La Jolla. I swim and loaf and for the primary time in my life I’ve relaxed and stopped chasing rainbows.

KATIE HAFNER: I’m Katie Hafner and that is Misplaced Ladies of Science, the place we unearth tales of scientists who haven’t gotten the popularity they deserve.

That line you heard about chasing rainbows comes from a chapter in Klara Dan von Neumann’s memoir. On this, our final episode of the season, we discover that “latest incarnation” of Klari’s life: her ultimate years in sunny California that had been crammed with the promise of peace and quiet. 

KATIE HAFNER: We left off final episode in 1957. Klari’s husband John von Neumann had died on the age of 53 after an agonizing yr and a half with most cancers. A lot of his colleagues in Princeton and Los Alamos had been shaken by the loss.

CAITLIN RIZZO: Even when there are variations, they really feel that actually, um, actually deeply when one among their very own passes.What we see within the document is an outpouring of, of the group feeling sorry, and expressing their concern for Klara.

KATIE HAFNER: That’s Caitlin Rizzo, the archivist on the Institute for Superior Examine in Princeton. After Johnny died, Klari acquired many letters from the necessary individuals in her life. In a single, Camilla Dan, Klari’s mom, wrote: “You had numerous… stress and sorrow…You’ve had sufficient of it for the following 100 years.” 

Klari was coronary heart damaged. She was additionally exhausted. As a result of on high of her grief, she needed to take care of every thing Johnny left behind.

CAITLIN RIZZO: The executive aftermath of what occurs to publications and the way will we deal with his papers? What can we do so that you can ease  this?

KLARA VON NEUMANN: After Johnny died, I set myself the duty of accumulating his revealed and unpublished papers and getting them collectively in a single set of volumes.

KATIE HAFNER: That’s Eva Szabo studying from Klari’s unpublished memoir once more. And although the work might have had the unintended good thing about protecting Johnny near her, it consumed a lot of her time. 

KLARA VON NEUMANN: It was an amazing job notably since he was very prolific, and in so many various fields.

KATIE HAFNER: Klari couldn’t do that all by herself. She wanted assist. And someplace alongside the road, in quest of stated assist, she known as Carl Eckart. Carl was a physicist whom Johnny had actually revered as some of the educated individuals within the scientific group. In 1957, Carl was working as a geophysicist on the Scripps Establishment of Oceanography in La Jolla. Klari requested Carl to edit a quantity of John von Neumann’s collected works. They spent a bit time collectively on the telephone after which a bit extra time on the east coast… and in the long run…

KLARA VON NEUMANN: Though he by no means took on the job, we did get married. 

KATIE HAFNER: So whereas Carl stated no to enhancing the collected works of Klari’s late husband, she stated sure to marriage. In April of 1958, only a yr after Johnny died, Klari grew to become Mrs. Carl Eckart. She was 46.

GEORGE DYSON: Johnny, she married for brains. After which, then when she married Carl Eckart, uh, I believe it was for La Jolla.

KATIE HAFNER: That’s George Dyson. He’s the historian of know-how from earlier episodes, who wrote Turing’s Cathedral concerning the start of the digital universe. His remark about why Klari married Carl is only one clarification, in fact, however George does have a private connection to this story: He grew up in Klari’s world. She was even a witness at his father’s second wedding ceremony. 

GEORGE DYSON: She moved with him to La Jolla and she or he simply determined to, to try to be glad.

KATIE HAFNER: La Jolla, California is an prosperous seaside enclave on the northern tip of San Diego. Klari appeared actually excited to lastly transfer out west.

KLARA VON NEUMANN: However that is actually what I need, sit on the fringe of the pool and twiddle my toes — no extra drama or pleasure simply to be at peace with the world, my husband and myself. 

[car noises]

KATIE HAFNER: Yeah, go right here, go proper right here. La Jolla is sort of nestled right into a cove. And so the water wraps round La Jolla, if that is smart.

KATIE HAFNER: That’s me. I’m in a automobile with our senior editor, Nora Mathison. 

NORA MATHISON: Looks as if it’s proper off the highway.

KATIE HAFNER: We simply arrived in La Jolla, to take a look at Klari’s residence. It’s sunny, in fact, within the low 70s.

NORA MATHISON: That is it. So yeah, it’s walled, you’ll be able to’t see contained in the property. Seems cute, although.

KATIE HAFNER: Nora and I pull as much as Klari and Carl’s outdated home. It’s basic California model: single-story, mid-century, simply a few blocks from the ocean. 

KATIE HAFNER: And I can simply think about that Klari was simply so taken with this. 

KATIE HAFNER: It will need to have appeared like paradise. And when she received there, she continued caretaking Johnny’s legacy. 

As for her programming work, there’s little or no proof that she continued with it.

In 1957, after Johnny died, the RAND Company, a southern California suppose tank that was eager on computing, supplied her a job. We do know that a lot. However we by no means discovered her response, or any proof that she accepted that job. We later discovered a memo from 1959 the place Keith Brueckner, a physicist on the College of California San Diego, wrote to Klari a few computing format for an IBM venture that she was apparently engaged on. However once more, we couldn’t get our palms on anything about that.

What is evident is that by 1962, 49-year-old Klari was carried out with computer systems for good. In a letter she wrote in April of that yr, she requested to be faraway from a computing seminar’s mailing checklist as a result of…

KLARA VON NEUMANN: I’m not working any extra within the discipline.

KATIE HAFNER: The coding chapter of her life had ended, however round this time, Klari began a brand new venture. A extra private one: She started writing a memoir. 

She known as it “Grasshopper in Very Tall Grass.” 

And this brings us all the best way again to somebody we met on the very starting of the season: Klari’s stepdaughter, Marina von Neumann Whitman.

MARINA VON NEUMANN WHITMAN: And I’ve right here, which I actually need to get to the Library of Congress, just a few recordsdata of her makes an attempt to write down an autobiography.

KATIE HAFNER: When Carl died in 1973, he left the manuscript to Marina in his will, and she or he’s had the drafts ever since. 

Marina grew up round Klari, and after studying the memoir, she began seeing her stepmother otherwise.

MARINA VON NEUMANN WHITMAN:  I used to be astounded at how effectively she wrote in English, which in spite of everything was her second language or fifth, or God is aware of what, anyway.

And what a humorousness she had, which undoubtedly exhibits up in her manuscript.

KATIE HAFNER: With out the memoir, Klari’s life would have seemed actually totally different to us, too. In studying it, we get Klari’s life as she wished to inform it, and we meet Klari the narrator. Somebody witty and blunt and open. 

GEORGE DYSON: She was such author. She simply radiated fascinating stuff. So, you understand, she possibly wanted a bit push right here and there, however I’d like to be her editor.

KATIE HAFNER: And Klari wished an editor too. Publishing the memoir was an enormous deal for her. 

KATIE HAFNER: Okay. So I am wanting by way of this stuff and I received to the a part of the file the place the entire query of publishing the memoir is, is raised. 

KATIE HAFNER: In one among my lengthy interviews with George Dyson, I instructed him the story of going by way of the letters I discovered at Marina’s. An entire stack of them are about Klari’s memoir. The prolonged and cautious suggestions she will get from buddies. Correspondence with publishers. Updates from her agent. At first everybody appears excited–her buddies are encouraging, publishers write again to her….however then… in spring of 1963…

KATIE HAFNER: The Harper and row individuals say, you understand, we do not need it in spite of everything. After which the agent dumps her. And what I then see is that the envelope wherein that, the place the agent says, you understand, we simply aren’t seeing any hope for this ebook. And she or he, she rips that one open and you may see sort of she’s, it is, there’s nearly violence carried out to the envelope.

GEORGE DYSON: I believe if, if, if she had signed a contract for her autobiography, it will’ve fully modified her life.

KATIE HAFNER: What does it imply to have spent the previous six years preserving your well-known late husband’s story, getting his life down on paper, answering the various requires translations of his books, posthumous awards, the von Neumann fellowship on this and that….

After which while you flip to one thing of your individual, and eventually put your story down on paper–and it’s a outstanding story at that–you’re instructed that it’s not marketable.

We don’t know the way a lot this rejection affected Klari, however we do know that we most likely wouldn’t be telling her story on Misplaced Ladies of Science if the ebook had been revealed and her work acknowledged.

In any case, Klari would by no means end that memoir.

Right here’s George Dyson.

GEORGE DYSON:  La Jolla was this paradise place. However someway for my part, it, it simply, this darkish cloud of despair got here again. And so I simply suppose she could not simply sit in La Jolla and be glad.  

KATIE HAFNER: On November ninth, 1963, Klari and Carl had buddies over. They drank quantity and stayed up late. In line with Carl, the company left at 1:30 within the morning. Carl ultimately went to mattress at 3. Klari stayed up.

GEORGE DYSON: She had taken her jewellery off and left it at residence and she or he’d drunk numerous alcohol.

KATIE HAFNER: Her automobile was discovered by the Windansea seashore, just a few blocks from her home. It appears Klari drove to the seashore, then walked into the surf. 

GEORGE DYSON: She had sand in her lungs, which implies she was respiratory when she went within the water. 

KATIE HAFNER: Klari’s physique was discovered washed up on the seashore at 6:45 am on November 10, 1963. A neighbor recognized the physique. The loss of life was written up in a 6-page report.  It says that Klari’s gown had been weighed down with 15 kilos of moist sand. Her blood alcohol stage was 0.18%. Explanation for loss of life, in accordance with the post-mortem: Asphyxia by drowning. It was dominated a suicide.

NORA MATHISON: You suppose that is effective if we depart the automobile right here?

KATIE HAFNER: Yeah, I believe so. It is loud.

NORA MATHISON: It’s loud.

KATIE HAFNER: Nora and I pull as much as the seashore the place Klari died. It’s full of individuals. Surfers. Youngsters with kites. Households with infants and canines…

KATIE HAFNER: It simply sort of makes you very, very unhappy that an individual who had a lot to provide to the world and did give to the world simply could not stay in it.

And what a violent option to die.

KATIE HAFNER: Right here’s Klari’s stepdaughter, Marina von Neumann Whitman once more.

MARINA VON NEUMANN WHITMAN: I suppose I used to be conscious that she was fragile.

As I say there’s this hole between her writing, that, you understand, she was having fun with the calm and peaceable life after which committing suicide and, you understand, one thing should’ve gone on in her head in between. Um, however I do not know.

GEORGE DYSON: My father noticed her a few days earlier than and stated she was in nice spirits how might she have dedicated suicide, however individuals typically say that.

And that is this tragic finish the place you, you learn the final web page in her journal. She says, I believe the precise phrases are I, I don’t have to journey anymore as a result of I’m there already.

KATIE HAFNER: When somebody dies by suicide, it’s troublesome to withstand searching for a proof. We people need to pin the items of a life on a bulletin board, arranging them to indicate that this led to that and to that. 

However life isn’t as linear or logical as we’d prefer it to be. And we’ll by no means have all of the items to clarify a life in full.

We’ll by no means know the why of Klari’s loss of life and admittedly that’s irrelevant. What’s the level is Klari the individual…Klari alive…Klari past a single evening, a single choice.

We had the memoir, which served as our anchor, as we navigated Klari’s life. However that was all reflection–Klari wanting again. I wished to see her in motion.

So I turned to the scores of letters she had written and acquired through the years. And plenty of of these letters had been in Hungarian. There was no throwing this stuff into Google translate as a result of they had been handwritten, and Klari’s handwriting was as sophisticated as the girl herself.  We would have liked simply the best translator, one who might decipher that impenetrable Hungarian script.

KATIE HAFNER: Hello Agi.

AGI ANTAL: Hello Katie, how are you?

KATIE HAFNER: How are you, I’m good how are you.

AGI ANTAL: I’m at all times effective.

KATIE HAFNER: Oh good.

KATIE HAFNER: That’s Agi Antal. She’s one of many Hungarian translators you’ve heard all through this season. Agi and I got here up with a system. 

AGI ANTAL: So is the sound good?

KATIE HAFNER: Yeah, the sound is nice. Um, after which if you happen to want a sip of water or tea or something, simply let me know. 

KATIE HAFNER: I’d set my alarm for very early Pacific time and Agi would name me after work in Budapest and we’d have these periods, together with her studying the English aloud to me. 

KATIE HAFNER: I see it, February the 17th. Oh, her handwriting is actually loopy. 

AGI ANTAL: My God. Do not inform me.

KATIE HAFNER: So whereas I used to be watching this incomprehensible scrawl, listening to the English, it felt like one thing magical was taking place and this individual, Klári, by way of her letters and her diary, she got here alive.

AGI ANTAL: So I believe I discovered some actually necessary phrases in her diary that categorical, regardless that these phrases had been written when she was actually younger, however they expressed her perspective to life.

KATIE HAFNER: Right here’s Agi studying from Klari’s diary–an entry from January of 1931. Klari was nineteen.

AGI ANTAL: There have to be different that means of the life moreover love as a result of I’ve to stay if not for myself, then for the peace of the individuals round me.

KATIE HAFNER: Even when she was younger, Klari was introspective, a eager observer of the world.

AGI ANTAL: I do not know what’s written within the ebook of my future, however I do not consider that I’ll ever have a traditional life. Do I really feel this fashion simply because I am younger?

KATIE HAFNER: And she or he was prescient. She by no means did have a “regular life.” And as a lot as she wished peace, she was by no means fairly capable of settle for her life because it was.

Developing, we do what Klari did for Johnny: defend a legacy. I’m Katie Hafner, and that is Misplaced Ladies of Science.

For those who or somebody you understand could also be contemplating suicide, you’ll be able to contact the Nationwide Suicide Prevention Lifeline at 1-800-273-8255. 

(AD BREAK) 

GEORGE DYSON: It was this perseverance in opposition to the darkness of destiny or one thing, I imply, she simply, she simply had such a spirit and clearly intelligence. 

KATIE HAFNER: That’s George Dyson, once more, reflecting on Klari’s life. 

GEORGE DYSON: Klari’s function, so, she was type of there, for the time being of creation. For those who take a look at this as a type of cradle in a manger type of factor, she, she was holding the cradle.

KATIE HAFNER: George is speaking about Klari’s work writing code. 

Her Monte Carlo simulations had been the primary packages executed utilizing the trendy code paradigm. She was proper there– on the start of our trendy digital universe. 

NATHAN ENSMENGER: So what precisely is Klara von Neumann’s contribution? She is a part of figuring that out.

KATIE HAFNER: That’s Nathan Ensmenger, a historian of know-how at Indiana College Bloomington.

NATHAN ENSMENGER: This separation between what’s the machine and what’s, what we are going to come to know to be software program and software program will not be, software program will not be a phrase that shall be even invented till 1958.

KATIE HAFNER: As she was working, Klari was serving to to outline the phrases and form the panorama. Immediately, these issues have settled into place. And so they look very totally different from how they seemed initially…

NATHAN ENSMENGER: I believe it’s fascinating in computing about how the, the folklore and the mythology involves form itself round a specific sort of acceptable narrative. That is often a sort of white male adolescent. When there have been these different potential, uh, mythological figures to sort of assemble that round.

KATIE HAFNER: Immediately, computing is oriented across the male particular person, the disruptor, a brand new iteration of the “nice man concept of historical past” we see so typically. It’s straightforward to overlook it hasn’t at all times been that manner.

NATHAN ENSMENGER: I argue all through my work that girls are sort of omnipresent within the early historical past of computing.

KATIE HAFNER: And never simply the lone girl…girls working in groups. 

Klari was just about carried out with computing work by 1955. For some time, girls had been nonetheless the go-to coders–suited to this quote-unquote “menial” activity. However this rapidly began to alter.

As know-how improved, the notion of software program and its significance shifted dramatically. The equipment of computer systems, bodily constructing them, that grew to become the straightforward half. The arduous half now was programming their software program.

So, within the late 1950s and thru the 1960s…

NATHAN ENSMENGER: Simply as computer systems begin to turn into cheap and out there, it is more and more arduous to make them do good work.

And so software program simply retains getting increasingly troublesome and costly. And there is this type of language that emerges that, um, there’s some sort of disaster taking place in software program or as I’d say, a sort of labor disaster. 

KATIE HAFNER: Corporations couldn’t discover sufficient expert programmers. The perceived labor disaster grew to become vital sufficient that in 1968, NATO held a convention to deal with the issue.

NATHAN ENSMENGER: And they also start saying, effectively, what occurs if we take into consideration software program growth as a sort of engineering, not as a sort of science, not as a sort of enterprise exercise, however as a sort of engineering.

KATIE HAFNER: The NATO convention was the place the concept of “software program engineering” took off. The considering was that if you happen to might someway formalize or codify what programmers did, you might determine and practice higher programmers, making a dependable work pressure.

And whereas the NATO convention alone didn’t drive girls out of coding, it was consultant of a shift within the trade. 

Programming was altering from one thing seen as secretarial work right into a respectable profession…and within the course of, it was rebranded as male.

NATHAN ENSMENGER: And by the early 1980s, girls have nearly disappeared from at the least public representations of computing. It is a actually outstanding reversal that occurs in a comparatively brief interval.

KATIE HAFNER: This fully remodeled the alternatives for ladies.

NATHAN ENSMENGER: May Klara von Neumann have turn into knowledgeable programmer following the 1940s and into the fifties and sixties? Completely. May Klara have turn into a programmer within the 1980s? I’d say nearly actually not.

KATIE HAFNER: After the 80s,we get to the a part of the story we all know fairly effectively. Invoice Gates, the 2 Steves–Jobs and Wozniak. Mark Zuckerberg. Ivy League dropouts…Nice males.

The archetype persists, and it’s self-perpetuating.

CARLA BRODLEY: So one of many key issues that has turn into more and more necessary within the final 10 years is the truth that individuals come to school with totally different ranges of prior expertise in pc science and that’s not uniformly distributed with respect to race, ethnicity, and gender.

KATIE HAFNER: Carla Brodley is a professor of pc science. She’s additionally the chief director of the Middle for Inclusive Computing at Northeastern College.

CARLA BRODLEY: I believe that till we make pc science required in highschool and taught effectively in highschool that most likely ladies in highschool aren’t going to naturally select it due to the notion that they’ve.

KATIE HAFNER: An enormous a part of the issue in the present day is entry, and this sense that programming is an insider factor. That it’s just for a sure sort of individual. Klari’s right-place-at-the-right-time factor–that was uncommon then, and is now. It’s not really easy to come upon programming.

CARLA BRODLEY: I believe everybody can study to program. And I believe that almost all of individuals like programming, it is simply that almost all of individuals do not attempt it.

KATIE HAFNER: And Carla, like Klari a long time earlier than her, loves programming.

CARLA BRODLEY: It is, it’s utilizing the identical a part of your mind that you just use, like, while you do artwork or while you write a narrative, it is like, how am I going to assemble this? 

It is placing collectively summary ideas, however then it’s totally concrete. As a result of while you write the code, it both works or it would not work.

KATIE HAFNER: And programming as we perceive it in the present day,, as this summary and concrete problem the place you’ll be able to create simulated realities, this all began proper across the time Klari was coding.

THOMAS HAIGH: What I’ve heard and browse suggests to me that there is a, there is a particular direct legacy of this code.

KATIE HAFNER: That’s Thomas Haigh, the historical past professor and co-author of the ebook ENIAC in Motion. Klari’s most necessary and lasting contribution to the computing world was her work on Monte Carlo simulations.

THOMAS HAIGH: The, the code has advanced past recognition, however apparently it does have its recognizable origins and a direct line of descent from what Klara von Neumann was doing.

KATIE HAFNER: As George Dyson factors out in Turing’s Cathedral, in the present day’s search engine algorithms draw on the Monte Carlo technique that Klari first executed. They don’t use a straight-line path from query to reply. As an alternative, they comply with random search paths to seek out more and more correct outcomes. They rely much less on the tip factors and extra on the intervening paths. And these paths maintain that means.

So, as soon as once more, Monte Carlo offers us with a framework for Klari’s personal life. The top factors of Klari’s life are her childhood in Budapest and her loss of life by suicide. Her life was bookended by drama and tragedy, however these bookends aren’t the place all of the that means resides. They shouldn’t solid a shadow on every thing else–her many different intervening paths: her code, her writing, her relationships.

It’s by way of these paths that Klari comes alive. 

On the finish of our interview with Marina von Neumann Whitman, we requested her a query central to this sequence: how ought to Klara Dan von Neumann be remembered?

MARINA VON NEUMANN WHITMAN: Properly, partly as a girl who type of created herself. I imply, she turned out to have skills that had by no means been actually found. She, as I say, grew to become professional in numerous issues that possibly no person would’ve predicted she’d turn into professional in.

KATIE HAFNER: As Klari herself stated, she lived many lives, with random detours and unlikely pit stops. Alongside the best way, she ventured right into a world nonetheless unmapped: the digital panorama we stay in in the present day. She took maintain of what probability handed her and did the surprising. 

And that’s our story, “A Grasshopper in Very Tall Grass.”

I’m Katie Hafner. Thanks for listening. 

[CREDITS] 

This has been Misplaced Ladies of Science. Due to everybody who made this initiative occur, together with my co-executive producer Amy Scharf, producer Sophie McNulty, affiliate producer Ashraya Gupta, senior editor Nora Mathison, composer Elizabeth Younan, and the engineers at Studio D Podcast Manufacturing. 

Thanks additionally to our voice actors Eva Szabo and Nandor Tary, in addition to our many Hungarian translators: Agi Antal, Rick Esbenshade, Charles Hebbert, Laszlo Marcus, Alina Bessenyey Williams, and Lehel Molnar.

We’re grateful to Mike Fung, Cathie Bennett Warner, Dominique Guilford, Jeff DelViscio, Meredith White, Bob Wachter, Maria Klawe, Susan Kare, Jeannie Stivers, Linda Grais, Rabbi Michael Paley, Marina von Neumann Whitman, George Dyson, Thomas Haigh, and our interns, Hilda Gitchell, Kylie Tangonan, Leeza Kopaeva, and Giuliana Russo. 

Thanks additionally to the Laptop Historical past Museum, to Paula Goodwin, Nicole Searing and the remainder of the authorized workforce at Perkins Coie, and to the Institute for Superior Examine, the Library of Congress, and the united states Particular Collections for serving to us with our search. 

Many because of Barnard School, a frontrunner in empowering younger girls to pursue their ardour in STEM, for help in the course of the Barnard Yr of Science. 

A particular shout out to Celia Bolgatz on the Ladies’s Audio Mission in San Francisco, the place this podcast was recorded. 

Misplaced Ladies of Science is funded partially by the Gordon and Betty Moore Basis, Schmidt Futures and the John Templeton Basis, which catalyzes conversations about dwelling purposeful and significant lives. 

This podcast is distributed by PRX and revealed in partnership with Scientific American.

You’ll be able to study extra about our initiative at misplaced girls of science dot org or comply with us on Twitter and Instagram. Discover us @lostwomenofsci.

Thanks a lot for listening. I’m Katie Hafner.


Take heed to Previous Episodes

Episode 1: The Grasshopper


Episode 2: Ladies Wanted


Episode 3: The Experimental Rabbit


Episode 4: Netherworld



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