William Alfred Wooster (born 18.08.1903) is an English physicist. He was born in London. He graduated from London (1924) and Cambridge (1925) universities. In 1928-60 he worked at the University of Cambridge, and from 1947 he was director of Crystal Structures Ltd.
His research concerned the study of natural radioactivity and of X-rays, and the physics of crystals. Together with C. Ellis he carried out (1927) measurements of the mean energy of the electrons released in beta decay.