Age, Biography and Wiki

James Rainwater was born on 9 December, 1917 in Council, Idaho, U.S., is an American physicist. Discover James Rainwater'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 68 years old?

Popular As N/A
Occupation N/A
Age 68 years old
Zodiac Sign Sagittarius
Born 9 December, 1917
Birthday 9 December
Birthplace Council, Idaho, U.S.
Date of death 31 May, 1986
Died Place New York City, U.S.
Nationality Idaho

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James Rainwater Height, Weight & Measurements

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James Rainwater Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is James Rainwater worth at the age of 68 years old? James Rainwater’s income source is mostly from being a successful . He is from Idaho. We have estimated James Rainwater'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
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Timeline

1917

Leo James Rainwater (December 9, 1917 – May 31, 1986) was an American physicist who shared the Nobel Prize in Physics in 1975 for his part in determining the asymmetrical shapes of certain atomic nuclei.

During World War II, he worked on the Manhattan Project that developed the first atomic bombs.

Leo James Rainwater was born on December 9, 1917, in Council, Idaho, the son of a former civil engineer who ran the local general store, Leo Jaspar Rainwater and his wife Edna Eliza née Teague.

He never used his first name and was always referred to as James or Jim.

1918

His father died in the great influenza epidemic of 1918 and Rainwater and his mother moved to Hanford, California, where she married George Fowler, a widower with two sons, Freeman and John.

In time he also acquired a half-brother, George Fowler Jr., who became naval officer.

At high school he excelled in mathematics, chemistry and physics and was admitted to the California Institute of Technology on the strength of a chemistry competition.

1939

He received his Bachelor of Science degree as a physics major in 1939.

Rainwater then chose to undertake postgraduate studies at Columbia University.

At the time this was an unusual move for a scholar from California, as Columbia was not then renowned for its physics; but this had recently changed.

George B. Pegram had recently built up the physics department, and hired scientists like Enrico Fermi.

At Columbia Rainwater studied under Isidor Isaac Rabi, Enrico Fermi, Edward Teller and John R. Dunning.

Fermi was engaged in neutron moderator studies that would lead to the construction of the first nuclear reactor, while Dunning and Eugene T. Booth had built Columbia's first cyclotron, in the basement of the Pupin Physics Laboratories.

Niels Bohr and John Wheeler had developed a theoretical treatment for nuclear fission in 1939 that they based on the liquid drop model of the nucleus.

1941

Rainwater received his Master of Arts in 1941.

For his Doctor of Philosophy thesis on "Neutron beam spectrometer studies of boron, cadmium, and the energy distribution from paraffin", written under Dunning's supervision, he built a neutron spectrometer and developed techniques for its use.

1942

Rainwater married Emma Louise Smith in March 1942.

They had three sons, James, Robert and William and a daughter, Elizabeth Ann, who died from leukaemia when she was nine.

Fermi's reactor group moved to the Metallurgical Laboratory at the University of Chicago in 1942.

Rainwater remained at Columbia, where he joined the Manhattan Project's Substitute Alloy Materials (SAM) Laboratories.

The Manhattan Project was the Allied effort during World War II to develop atomic bombs.

The SAM Laboratories' primary task was the development of gaseous diffusion technology for uranium enrichment, to produce fissile uranium-235 for use in atomic bombs.

Rainwater worked with William W. Havens Jr. and Chien-Shiung Wu, mostly on studies of neutron cross sections, using the neutron spectrometer.

After the war, a dozen papers by Dunning, Havens, Rainwater and Wu would be declassified and published.

1946

Rainwater joined the physics faculty at Columbia in 1946, where he reached the rank of full professor in 1952 and was named Pupin Professor of Physics in 1982.

So too was his thesis, published in the Physical Review in two parts with Havens's thesis, and he was awarded his doctorate in 1946.

1948

In 1948, he began teaching courses on nuclear structure.

1949

In 1949, he began developing his theory that, contrary to what was then believed, not all atomic nuclei are spherical.

His ideas were later tested and confirmed by Aage Bohr's and Ben Mottelson's experiments.

He also contributed to the scientific understanding of X-rays and participated in the United States Atomic Energy Commission and naval research projects.

This was superseded in 1949 by Maria Goeppert Mayer's nuclear shell model, which could explain more about the structure of heavy elements than the older theory but it still had limits.

At a colloquium at Columbia in 1949, Charles H. Townes reported experimental results that indicated quadrupole moments greater than those indicated by the shell model.

It occurred to Rainwater that this could be explained and the differences between the liquid drop and nuclear shell models could be reconciled, if the atomic nucleus were not spherical, as had been assumed but could assume other shapes.

1950

Rainwater published his theoretical paper in 1950.

By chance, that year he was sharing an office with Aage Bohr, who took up the challenge of experimentally verifying Rainwater's theory.

1952

Bohr and Ben Mottelson published their results in three papers in 1952 and 1953 that conclusively confirmed the theory.

Rainwater felt that his model was overlooked.

1963

He received the Ernest Orlando Lawrence Award for Physics in 1963 and in 1975 was awarded the Nobel Prize in Physics, "for the discovery of the connection between collective motion and particle motion in atomic nuclei and the development of the theory of the structure of the atomic nucleus based on this connection".

In 1963 he was awarded the United States Atomic Energy Commission's Ernest Orlando Lawrence Award, for his work on the Manhattan Project.

Rainwater remained at Columbia as an instructor.