Who is Young, thomas

Young, thomas (1773-1829) british physician and physicist, who was a child prodigy and could speak 14 languages before he was 19. His early researches concerned the eye and vision, but he is best known for establishing the wave theory of * light (1800-04) and explaining the phenomenon of "interference (1807). The young modulus of elasticity is named after him (see ELASTIC MODULUS).