Curtis J. Humphreys

Curtis J. Humphreys
Born(1898-02-17)February 17, 1898
Alliance, Ohio, United States
Died22 November 1986(1986-11-22) (aged 88)
Delaware, Ohio
NationalityAmerican
Alma materUniversity of Michigan Ph.D. Class of '28
Known forHumphreys series of the hydrogen atom
AwardsNaval Award for Achievement in Science, William F. Meggers Award
Scientific career
FieldsPhysicist
InstitutionsU.S. Navy
Doctoral advisorWilliam F. Meggers

Curtis Judson Humphreys (17 February 1898 – 22 November 1986) was an American physicist born in Alliance, Ohio, USA and educated at the University of Michigan. He was chief of the Radiometry Section of the U.S. Navy during the 1940s. He is famous for discovering the Humphreys series of the hydrogen atom.[1]

Biography

Humphreys married Jeanetta Mae Raum, with whom he had a son Richard and three daughters, Jean, Katherine, and Jamie.

He was involved in the Spectroscopic Program covering the NBS and U.S. Naval Ordnance Laboratory, Corona, CA, experiences. His inventions significantly advanced the techniques of radiometry and spectrophotometry. He credited the Corona Lab program with the establishment of the atomic wavelength standard in the infrared.

Humphreys attended the Rydberg Centennial Conference on Atomic Spectroscopy in 1954, which at the time was the most distinguished group of spectroscopic and atomic physicists ever assembled, and included the eminent Niels Bohr.

He corresponded with William F. Meggers while in Michigan in 1928.

Honors and awards

Works

Humphreys is the author of many scientific research articles and books including First spectra of neon, argon, and xenon 136 in the 1.2–4.0 μm region, written in 1973 while he was at Purdue University, Lafayette, Indiana.

Other works include:

  • T.L.De Bruin, C.J.Humphreys, and W.F.Meggers, J. Res. NBS (U.S.) 11, 409 (1933).
  • "The 29 and 30 electron-system spectra of arsenic and selenium" Curtis J Humphreys, 1928.
  • "Element Ne I" Meggers, W. F., and Humphreys, C. J. 1933, J. Res. N. B. S. 10, 427. [EA, 7724-18549, a UMT and RMTsource] C.J.Humphreys, J. Res. NBS (U.S.) 22, 19 (1939). C.J.Humphreys, J. Opt. Soc. Am. 43, 1027 (1953).
  • "Humphreys Series" Humphreys, C.J., J. Research Natl. Bur. Standards 1953, 50, 1.
  • "Interferometric measurement of wavelengths of infrared atomic emission lines in the extraphotographic region" Applied Optics, 1963. Co-authored Rao, K. Narahari;
  • Curtis J. Humphreys; D.H. Rank, "Wavelength Standards in the Infrared", Academic Press, 1966.
  • Humphreys, C. J., & Paul, E. 1970, J. Opt. Soc. Am., 60, 1302.
  • H.H. Li and C.J. Humphreys and J. Opt. Soc. Am. 64 (1974) 1072.
  • C.J. Humphreys, Rep. Prog. Phys. 42 (1979) 122.

References

  1. ^ Andrew, Kenneth L. (August 1987). "Obituary: Curtis Judson Humphreys". Physics Today. 40 (8): 84–86. Bibcode:1987PhT....40h..84A. doi:10.1063/1.2820160. Archived from the original on 2013-10-04. Retrieved 2013-10-01.
  2. ^ "APS Fellow Archive". American Physical Society. (search on year 1941 and institution Natural Bureau of Standards)
  3. ^ "High Navy Award Given NOL Scientist". Naval Research Reviews, volume 16, number 7. 1962. p. 19.
  4. ^ "William F. Meggers Award". Optical Society. Retrieved 8 October 2018.

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