Physical chemist (molecular structure, quantum theory, magnetism, polymers). On the physics faculty at Georg-August Universitt̃ zu Gt̲tingen (1913-1920); on the staff at Eidgens̲sische Technische Hochschule, Zurich (1920-1927); on the physics faculty at Universitt̃ Leipzig (1927-1934); director, Kaiser-Wilhelm-Institut f r Physik (1935-1939); and professor and chair of the chemistry department, Cornell University from 1940. Debye died in 1966.