Lawrence R. Hafstad

Hafstad was born in Minneapolis, Minnesota. He was the son of two Norwegian immigrants. He attended the University of Minnesota, graduating in electrical engineering in 1926. He had begun working with the Carnegie Institution for Science from 1928. In 1931, he earned the American Association for the Advancement of Science Prize for his research with Merle A. Tuve and Odd Dahl. He was awarded his Ph.D. in physics at Johns Hopkins University in 1933. Between 1935 and 1939, he was a frequent participant at the Washington Conferences on Theoretical Physics sponsored by George Washington University and Carnegie Institute of Washington. Hafstad died on October 12, 1993, at his home in the Oldwick section of Tewksbury Township, New Jersey. ==Honors and awards==

• Medal of Merit of the United States Navy (1946) • King's Medal in Defense of Freedom of the British Government (1946) ==References==

• Castell, Lutz; Otfried Ischebeck (2013) Time, Quantum and Information (Springer Science & Business Media) • Dahl, Per F. (2002) From Nuclear Transmutation to Nuclear Fission, 1932-1939 (CRC Press) • Fernandez, Bernard; Georges Ripka (2012) Unravelling the Mystery of the Atomic Nucleus (Springer Science & Business Media) • Mehra, Jagdish (2004) The Conceptual Completion and Extensions of Quantum Mechanics 1932-1941 (Springer Science & Business Media)