Gray, Louis Harold
The Englishman Louis Harold Gray (1905 - 1965), son of a post office employee, was an physicist.
He worked mainly on the effects of radiation on biological systems and was one of the earliest contributors of the field of radiobiology.
He lent his name to the Bragg-Gray cavity theory, and to the gray, the unit of absorbed dose.
See also
Last modified:10 January 2026 1.38 p.m.