Conducted to discuss a draft of Weart's book, Scientists in Power. Much of the time is spent on minor textual comments, but there are also extended remarks and reminiscences: French science in the 1930s, in particular Guřon's career in physical chemistry, the rise of the Centre National de la Recherche Scientifique (CNRS), and relations of Jean Perrin's circle; the chain reaction work of Frďřic Joliot, Lew Kowarski, and Hans von Halban in France, 1939-1940, and with Halban, Kowarski in England and Canada, 1941-1945, with emphasis on political relationships; and the French Commissariat ̉l'Energie Atomique (CEA) from 1946 through the 1950s; in particular, contacts with industry, personal relations, Joliot's Communism, and steps towards the nuclear bomb. A number of other technical and political matters involving French scientists 1930-1960 are touched on.