February 17.1898-The American physicists Curtis Humphrey was born
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February 17, 1898 (the Reform Movement in the first month, 27), American physicist Curtis Humphrey was born.
1898 17, American physicist Curtis Humphrey was born.
American physicist, was born in Ohio, USA. Radiation detection departments serving in the U.S. Navy in the 1940s. Humphrey Department
1953 found that the spectrum of the hydrogen atom
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