William Alfred Fowler, American physicist and astronomer, Nobel Prize laureate (b. 1911)

William Alfred Fowler (9 August 1911–14 March 1995) was an American nuclear physicist, later astrophysicist, who, with Subrahmanyan Chandrasekhar, won the 1983 Nobel Prize in Physics. He is known for his theoretical and experimental research into nuclear reactions within stars and the energy elements produced in the process and was one of the authors of the influential B2FH paper.