Biography.guide
Home › People › Physicist › Wilmot N. Hess
Portrait of Wilmot N. Hess

Wilmot N. Hess

1926 – 2004

American physicist

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Wilmot N. Hess

Lived 1926 – 2004 (aged 77). Wilmot N. Hess was an American physicist and nuclear physicist, known for Apollo 11 and Van Allen radiation belt.

Dr. Wilmot N. Hess (October 16, 1926 – April 16, 2004) was an American physicist who was involved with many ambitious scientific projects of the 20th century, including the Plowshares project, the NASA Apollo Moon missions, the National Oceanic and Atmospheric Administration (NOAA) hurricane research and oil spill cleanup research, the National Center for Atmospheric Research (NCAR) weather modification research, and the U.S. Department of Energy Superconducting Super Collider (SSC) project. Hess retired as the first associate director of the United States Department of Energy, when the office was created in 1977. He lived in California and died of leukemia on April 16, 2004, at the age of 77.

Early life and education Hess was born on October 16, 1926, in Oberlin, Ohio, to Walter and Rachel (Metcalf) Hess. The family moved to Clinton, New York, where he grew up during the Great Depression. He attended a one-room schoolhouse for the first six grades, with only three in his class but plenty of opportunity to "skip ahead" due to the comingled age groups. He received his B.S. in electrical engineering from Columbia University in 1946 at the age of 19 in electrical engineering. In his privately published Wilmot's World autobiography, he wrote:

He was 87th in his family line to go to Oberlin College, where he received his M.A. in physics in 1949. Hess then attended the University of California at Berkeley where he received his Ph.D. in physics in 1954.

Bill married Winifred Esther (Westher) Lowdermilk in June 1950, during his first year of graduate school at UC Berkeley. They had three children.

Career 1954 - Lawrence Livermore Labs, working on nuclear weapons. Frequent travel to Nevada Test site. 1957 - Radiation Lab in Berkeley, to work at the bevatron and on the health physics team. 1959 - Project director of Plowshare (peaceful uses of atomic bombs) at Livermore. Technical advisor at the Nuclear Test Ban Conference in Geneva. 1961 - Director of Theoretical Division at NASA. Measured cosmic ray neutrons in space and was the first to make a quantitative energy spectrum on them. From Wilmot's World: "I always felt a little bit like a fraud as Director of the Theoretical Division, not really being a theorist." Goddard Space Flight Center. From Wilmot's World: "My years at Goddard were very happy and productive. The space program was just a few years old. I organized a series of Friday afternoon seminars on space research. Almost every week we heard about something brand new about space. The director of Goddard was an aeronautical engineer, Harry Goett. He was a fine man with a research background and gave us a lot of freedom.... My own research was on the Van Allen radiation belt. [We developed] a theory to explain how solar protons can diffuse inward and gain energy in the Earth's magnetic field. This quantitatively explained the observed Leo Davis protons." 1966 - Director of Science and Applications for Apollo Moon Program, in Houston. 1969 - Director of the Research Labs of the National Oceanic and Atmospheric Association (NOAA) in Boulder, Colorado. 1980-1986 - Director of National Center for Atmospheric Research (NCAR) in Boulder, CO. 1986 - Director of the High Energy and Nuclear Physics Program at the Department of Energy, Washington, D.C. 1996 - Retired. From Wilmot's World: "I have much enjoyed wandering through Space Science and meteorology and oceanography and changing fields every decade. I think it was a lot more fun than staying in one place and doing one thing all my life...."

Books Introduction to Space Science (1965) (co-author: Gilbert D. Mead) The nature of the lunar surface; proceedings of the 1965 IAU-NASA Symposium. (1966) The Radiation Belt and Magnetosphere (1968) Weather and Climate Modification (1974) The Amoco Cadiz oil spill : a preliminary scientific report (1978)

Awards 1965: Arthur S. Flemming Award 1969: NASA Group Achievement Award 1969: American Institute of Aeronautics and Astronautics G. Edward Pendray Award 197x: Honorary D. Sc., Oberlin College, Oberlin, Ohio

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Nationality
Known for
Apollo 11, Van Allen radiation belt
Education
Columbia University, Oberlin College, University of California, Berkeley, Fu Foundation School of Engineering and Applied Science
Employers
Lawrence Livermore National Laboratory, National Aeronautics and Space Administration, National Oceanic and Atmospheric Administration, National Center for Atmospheric Research
Awards
Arthur S. Flemming Award; NASA Group Achievement Award
Also known as
Wilmot Hess, Wilmot Norton Hess

People in Wilmot N. Hess's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Wilmot N. Hess's

Frequently asked questions

Who was Wilmot N. Hess?

American physicist

When was Wilmot N. Hess born?

Wilmot N. Hess was born on 16 October 1926 in Oberlin.

When did Wilmot N. Hess die?

Wilmot N. Hess died on 16 April 2004 in Berkeley.

What was Wilmot N. Hess's occupation?

Wilmot N. Hess was a physicist and nuclear physicist.

What was Wilmot N. Hess known for?

Wilmot N. Hess was known for Apollo 11 and Van Allen radiation belt.

What nationality was Wilmot N. Hess?

Wilmot N. Hess was American.

Sources & further reading

· Wikipedia: Wilmot N. Hess

· Wikidata: Q8022834

· DBpedia: Wilmot N. Hess

Cite this page

APA: Biography.guide. (2026). Wilmot N. Hess. https://biography.guide/wilmot-n-hess/

MLA: "Wilmot N. Hess." Biography.guide, https://biography.guide/wilmot-n-hess/.

Chicago: "Wilmot N. Hess." Biography.guide. https://biography.guide/wilmot-n-hess/.

Data last updated: 2026-09-23 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

Page generated 2026-09-27 05:05 UTC