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Dorothy Heyworth was born in England in 1901, the youngest of three children in family of modest means. Won scholarship to attend high school and The University of Manchester where she studied with W.L. Bragg. Came to U.S. as instructor at Mt. Holyoke College 1925-29. She studied at University of Chicago 1929-31 and received Ph.D. in 1932 for work done under Zachariassen. Joined the faculty of Wellesley College in 1931 and remained there until retirement, serving 12 years as chairman. Little time for research but did some at MIT on cosmic rays in 1930s. She comments upon opportunities for women in physics, suitable education for future women scientists and the joys of teaching.
Born in Oregon 1912, entered Purdue University, 1932, studying solid state physics, teaching assistant work with Lothar Nordheim on crystal structure, 1937; Ph.D. thesis, 1937 (published 1940); physics department under Karl Lark-Horovitz grows in the 1930s, visiting lecturers (refugees from Germany and Europe: Lothar Nordheim, Hans Bethe, Edward Teller, Eugene Wigner). First cyclotron (homemade), 1935. War work: basic research in germanium, rectification of crystals (Bethe), close connections with Massachusetts Institute of Technology, Columbia University, University of Pennsylvania; Lark-Horovitz chose solid state physics as less sensitive field with respect to clearance; showed silicon-germanium intrinsic semiconductors, 1942; General Electric’s germanium interest; success interpreting resistivity and thermoelectric behavior in germanium, 1944. American Physical Society meeting intense interest in Purdue presentations, January 1946; the transistor, 1948 (William Shockley, Ralph Bray); how to grow germanium crystals, 1949; Esther Conwell’s thesis (Victor Weisskopf). Also prominently mentioned are: John Backus, Seymour Benzer, Hubert Maxwell James, A. A. Knowlton, K. W. Meissner, E. P. Miller, Ronald Smith, Herbert J. Yearian; and Purdue University Department of Physics.
Family background, education, and emergence of scientific orientation. Undergraduate years at Wellesley College (1912-1916); description of physics department. Assistant examiner in U.S. Patent Office during World War I. At MIT under E.B. Wilson as graduate student and laboratory assistant, then lab instructor (1920-24). Returned to MIT for doctoral work in 1928. Mathematical physics thesis under Norbert Wiener, while teaching at Wellesley. Depression years brought teaching position at Wilson College (1930-43), used Wellesley as model. Work on Zeeman Pattern earns her Guggenheim Fellowship (1949-50) at MIT and European labs. World War II years as head of OSRD British Report Section. Returned to Wilson (1945-56), worked part-time at National Science Foundation (1953-56). Retirement years including affiliation with U.S. Army and spectroscopic work at Harvard College Observatory. Comments on women in physics in U.S., her own opportunities, and teaching in general.
Mildred Allen was born in Massachusetts in 1894, the elder of two daughters of an MIT professor of civil engineering who had met her mother while working in New Mexico. She graduated from Vassar College in 1916 with training in mathematics and physics. Her Ph.D. in physics (1922) was granted by Clark University where she studied with A. G. Webster, but her thesis research was one at MIT. She taught at Mt. Holyoke, Wellesley and Oberlin Colleges during the 1920s and early 30s, as well as studying further at the University of Chicago and Yale. She did research at the Bartol Foundation, 1927-30, and at Harvard University, 1931-33. She then taught at Mt. Holyoke from 1933 until her retirement in 1959. Since then she has done additional research, most recently (paper published 1971) on the behavior of torsion pendulums especially during solar eclipses.