In this interview, Geoffrey Burbidge discusses the history of physics over the course of his career. Topics discussed include: Astronomical Society of the Pacific; E. Margaret Burbridge; American Astronomical Society; Hale Observatory; Lick Observatory; radio astronomy; Naval Research Laboratory; x-ray astronomy; Bruno Rossi; optical astronomy; Kitt Peak National Observatory; air and light pollution; Allan Sandage; Harvard University; Princeton University; Lord Kelvin; S. Chandrasekhar; Henry Norris Russell; Paul Merrill; Leo Goldberg; Edwin Hubble; Royal Society; Milton Humason; theory of relativity; Fred Hoyle; big bang cosmology; steady state cosmology; Joe Weber; John Wheeler; Willy Fowler.