# Klara Dan von Neumann

> Hungarian computer scientist (1911-1963)

**Wikidata**: [Q14100](https://www.wikidata.org/wiki/Q14100)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Klára_Dán_von_Neumann)  
**Source**: https://4ort.xyz/entity/klara-dan-von-neumann

## Summary
Klara Dan von Neumann was a Hungarian computer scientist (1911–1963) who contributed to early computing and mathematics. She was married to mathematician John von Neumann and worked on the Manhattan Project at Los Alamos National Laboratory. Her work in computer science, though less documented than her husband’s, reflects her role in early computational research.

## Biography
- Born: 1911-08-18 in Budapest, Hungary
- Nationality: Hungarian
- Education: Attended Pálné Veres High School (1929)
- Known for: Early contributions to computer science and work on the Manhattan Project
- Employer(s): Los Alamos National Laboratory
- Field(s): Computer science, mathematics

## Contributions
Klara Dan von Neumann’s contributions to computer science were significant despite limited public documentation. She worked alongside her husband, John von Neumann, at Los Alamos National Laboratory during the Manhattan Project. Her role involved computational and mathematical support for the project, though specific details of her technical work remain sparse. Her marriage to John von Neumann (1938–1957) and subsequent marriage to Carl Eckart (1958–1963) reflect her professional and personal connections to key figures in early computing. Her death in 1963, by drowning, marked the end of her career.

## FAQs
### Q: What was Klara Dan von Neumann’s primary contribution to computer science?
A: Klara Dan von Neumann contributed to early computing and mathematics, particularly during the Manhattan Project at Los Alamos National Laboratory. Her work involved computational and mathematical support, though specific details of her technical contributions are not widely documented.

### Q: Who were Klara Dan von Neumann’s husbands?
A: Klara Dan von Neumann was married to mathematician John von Neumann from 1938 to 1957 and to Carl Eckart from 1958 until her death in 1963.

### Q: What was Klara Dan von Neumann’s cause of death?
A: Klara Dan von Neumann died in 1963 by drowning in San Diego, California.

### Q: Where did Klara Dan von Neumann work?
A: Klara Dan von Neumann worked at Los Alamos National Laboratory during the Manhattan Project.

### Q: What other fields was Klara Dan von Neumann involved in?
A: Klara Dan von Neumann was also a figure skater and an inventor, in addition to her work in computer science and mathematics.

## Why They Matter
Klara Dan von Neumann’s contributions to computer science, though less documented than her husband’s, were pivotal during the Manhattan Project. Her work at Los Alamos National Laboratory provided essential computational and mathematical support, reflecting her role in early scientific computing. Her marriage to John von Neumann connected her to the intellectual circles of early computing, and her later marriage to Carl Eckart further solidified her ties to key figures in the field. Her untimely death in 1963 marked the end of her career, but her work laid groundwork for future advancements in computational science.

## Notable For
- Worked at Los Alamos National Laboratory during the Manhattan Project
- Married to mathematician John von Neumann (1938–1957)
- Later married to Carl Eckart (1958–1963)
- Died by drowning in San Diego in 1963
- Contributed to early computer science and mathematics

## Body
### Early Life and Education
Klara Dan von Neumann was born on August 18, 1911, in Budapest, Hungary. She attended Pálné Veres High School, graduating in 1929. Her early life and education laid the foundation for her future work in science and mathematics.

### Career and Contributions
Klara Dan von Neumann’s career in computer science was marked by her work at Los Alamos National Laboratory during the Manhattan Project. She provided computational and mathematical support, though specific details of her technical contributions are not widely documented. Her role was significant in the context of early scientific computing.

### Personal Life
Klara Dan von Neumann was married twice. Her first marriage was to mathematician John von Neumann, which lasted from 1938 to 1957. Her second marriage was to Carl Eckart, from 1958 until her death in 1963. These marriages connected her to key figures in the scientific and intellectual communities of the time.

### Death and Legacy
Klara Dan von Neumann died on November 10, 1963, by drowning in San Diego, California. Her legacy in computer science, though less prominent than her husband’s, reflects her contributions to early computational research and her role in the scientific community. Her work at Los Alamos National Laboratory and her marriages to notable scientists highlight her influence in the field.

## References

1. [Source](https://www.familysearch.org/ark:/61903/3:1:S3HY-XHL7-NV)
2. Virtual International Authority File
3. Faceted Application of Subject Terminology