1 son, Gilbert Lewis. Instructor physics Cornell Univercity, 1912-1916. Physicist National Bureau Standards, 1916-1955, chief colorimetry and spectrophotometry section, 1933-1941, chief photometry and colorimetry section, 1941-1955.
Retired 1955; secretary Optical Society American, Washington, from 1957. Chairman awards committee National Bureau Standards, 1949-1955.
Born January 7, 1890