Early life in Vienna, family and religion; atmosphere in Vienna in early 1930s; growth of interest in mathematical physics; anti-Semitism at University of Vienna; influence of history teacher and rejection of religion; influence of reading Arthur S. Eddington and James Jeans in the mid-1930s; further study in England and contact with Eddington; Trinity College, 1937-1940; study with Abraham S. Besicovich; collapse of plebiscite and family in Vienna; internment during World War II; graduate study with Harold Jeffreys: naval radar, 1942; associates during war and circle at University of Cambridge; development of radar research team with Thomas Gold and Fred Hoyle; developing astronomical interests, 1943; early research on accretion and evolution; cosmology; general relativity; contact with Freeman Dyson, James Lighthill and William H. McCrea; work in theoretical stellar structure; the problem of red giants; Hoyle's theory of stellar evolution; Hoyle-Lyttleton red giant models; growing interests in cosmology and discussion of Richard Chase Tolman and Edwin P. Hubble; the Steady State Cosmology; reactions to Steady State theory; gravitational theory and relativity circa 1955. Also prominently mentioned are: Christine Bondi, Abraham Frankel, George Cunliffe McVittie, Maurice H. L. Pryce, Otto Struve; and Trinity College (University of Cambridge).