Medical Dictionary
Main Entry:
tro·land Pronunciation:
'trO-l&nd Function:
noun : PHOTON 1Troland,
Leonard Thompson (1889–1932), American psychologist and physicist. Troland was a university instructor of psychology and a practical engineer. He devised most ofthe photographic and mechanical apparatus for color motion pictures. In 1922 he wrote a monograph summarizing the current state of visual science. In 1929 and 1930 he published a major two-volumetreatise on the principles of psychophysiology.