Daniel Frost Comstock (; August 14, 1883 – March 2, 1970)Record for Daniel Frost Comstock. Ancestry.com. World War I Draft Registration Cards, 1917-1918 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2005.Record for Daniel Frost Comstock. Ancestry.com. U.S. World War II Draft Registration Cards, 1942 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2007."Dr. Daniel Comstock, 86, Dies; Helped to Develop Technicolor", The New York Times, March 4, 1970, p. 30.Record of Daniel F. Comstock. Ancestry.com. Massachusetts Death Index, 1970-2003 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2005. was an American physicist and engineer.

Biography Comstock attained a B.S. from the Massachusetts Institute of Technology in 1904. He also studied in Berlin, Zürich, and Basel, where he attained his Ph.D. in 1906. At the University of Cambridge (1906–1907) he studied under J. J. Thomson. Beginning in 1904 he was a member of the faculty at MIT in theoretical physics (assistant professor 1910–1915; associate professor 1915–1917).Cattell and Brimhall, American Men of Science, Third Edition (1921), p. 140

Comstock is most well known as the co-founder of the company Kalmus, Comstock & Westcott, and of Technicolor Motion Picture Corporation, which developed the second major color film process, after Britain's Kinemacolor, and the most widely used color motion picture process in Hollywood from 1922 to 1952."What? Color in the Movies Again?" Fortune, October 1934.Tom Huntington, AmericanHeritage: FROM BLACK & WHITE TO TECHNICOLOR

Comstock also published some theoretical papers in the fields of electrodynamics (1908), special relativity (1910a) (see History of special relativity), and emission theory (1910b).

Publications

See also de Sitter double star experiment Relativity of simultaneity

References