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Juris Hartmanis was born on 5 July, 1928 in Riga, Latvia, is an American computer scientist (1928–2022). Discover Juris Hartmanis's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 94 years old?

Popular As N/A
Occupation N/A
Age 94 years old
Zodiac Sign Cancer
Born 5 July 1928
Birthday 5 July
Birthplace Riga, Latvia
Date of death 29 July, 2022
Died Place N/A
Nationality Latvia

We recommend you to check the complete list of Famous People born on 5 July. He is a member of famous computer with the age 94 years old group.

Juris Hartmanis Height, Weight & Measurements

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Dating & Relationship status

He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.

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Juris Hartmanis Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Juris Hartmanis worth at the age of 94 years old? Juris Hartmanis’s income source is mostly from being a successful computer. He is from Latvia. We have estimated Juris Hartmanis's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
Salary in 2023 Under Review
House Not Available
Cars Not Available
Source of Income computer

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1928

Juris Hartmanis (July 5, 1928 – July 29, 2022) was a Latvian-born American computer scientist and computational theorist who, with Richard E. Stearns, received the 1993 ACM Turing Award "in recognition of their seminal paper which established the foundations for the field of computational complexity theory".

Hartmanis was born in Latvia on July 5, 1928.

He was a son of, a general in the Latvian Army, and Irma Marija Hartmane.

He was the younger brother of the poet Astrid Ivask.

1940

After the Soviet Union occupied Latvia in 1940, Mārtiņš Hartmanis was arrested by the Soviets and died in a prison.

1944

Later in World War II, the wife and children of Mārtiņš Hartmanis left Latvia in 1944 as refugees, fearing for their safety if the Soviet Union took over Latvia again.

They first moved to Germany, where Juris Hartmanis received the equivalent of a master's degree in physics from the University of Marburg.

1951

He then moved to the United States, where in 1951 he received a master's degree in applied mathematics at the University of Kansas City (now known as the University of Missouri–Kansas City) and in 1955 a Ph.D. in mathematics from Caltech under the supervision of Robert P. Dilworth.

1958

After teaching mathematics at Cornell University and Ohio State University, Hartmanis joined the General Electric Research Laboratory in 1958.

While at General Electric, he developed many principles of computational complexity theory.

1965

In 1965, he became a professor at Cornell University.

He was one of the founders and the first chair of its computer science department (which was one of the first computer science departments in the world).

Hartmanis contributed to national efforts to advance computer science and engineering (CS&E) in many ways.

In his own Turing Award lecture, Richard M. Karp remarks that "[I]t is the 1965 paper by Juris Hartmanis and Richard Stearns that marks the beginning of the modern era of complexity theory."

With P.M. Lewis II, Hartmanis and Stearns also defined complexity classes based on space usage and proved

the first space hierarchy theorem.

In the same year they

also proved that every context-free language has deterministic

space complexity

(log n)2

, which contained the essential idea that led

to Savitch's theorem on space complexity.

Hartmanis continued to make significant contributions to the field of computational complexity for decades.

With Leonard Berman, he proved that all natural NP-complete languages are polynomial-time isomorphic and conjectured

that this holds for all NP-complete sets.

1989

In 1989, Hartmanis was elected as a member into the National Academy of Engineering for fundamental contributions to computational complexity theory and to research and education in computing.

He was a Fellow of the Association for Computing Machinery and of the American Mathematical Society, also a member of the National Academy of Sciences.

1992

Most significantly, he chaired the National Research Council study that resulted in the 1992 publication Computing the Future – A Broad Agenda for Computer Science and Engineering, which made recommendations based on its priorities to sustain the core effort in CS&E, to broaden the field, and to improve undergrad education in CS&E.

1993

In 1993, Hartmanis and R.E. Stearns received

the highest prize in computer science, the Turing Award.

The citation reads,

"In recognition of their seminal paper which established the foundations for the field of computational complexity theory."

Their paper

defined the foundational notion of a Complexity class, a way of classifying computational problems according to the time required to solve them.

They went on to prove a number of fundamental results such as the

Time hierarchy theorem.

1996

He was assistant director of the National Science Foundation (NSF) Directorate of Computer and Information Science and Engineering (CISE) from 1996 to 1998.

1999

The University of Missouri–Kansas City honored him with an Honorary Doctor of Humane Letters in May 1999.

2001

He was also a foreign member of the Latvian Academy of Sciences, which bestowed him their Grand Medal of the Latvian Academy of Sciences in 2001 for his contributions to computer science.

Hartmanis died on July 29, 2022.