 Brožek received his PhD from Charles University in Prague, Czechoslovakia in 1937.He emigrated to the United States in 1939 and joined the Laboratory of Physiological Hygiene at the University of Minnesota in 1941, where he served in a succession of posts over a 17-year period.His research in the Laboratory of Physiological Hygiene concerned malnutrition and behavior, visual illumination and performance, and aging.