Ruth Fitzmayer Schwarz
American physicist

Ruth Fitzmayer Schwarz (July 12, 1925 – August 26, 2004) was an American physicist known for her work on semiconductors in the electronics industry.
Early life and education
Schwarz was originally from Louisville, Kentucky, where she went to Atherton High School, Louisville, becoming student body president and graduating with first honors in 1943. She stayed in Louisville for undergraduate study at the University of Louisville. Initially she majored in political science but she switched to mathematics and science after becoming inspired by a first-year mathematics course taught there by Walter Lee Moore, the namesake of the university's Moore Observatory.
She went on to Harvard University for graduate study in physics, working there on the magnetic behavior of molecules with John Hasbrouck Van Vleck, who later won the Nobel Prize for his work on magnetism. She earned a master's degree there, through Radcliffe College, in 1949, and completed her Ph.D. in 1953. Her dissertation was Rotational magnetic moments in polyatomic molecules.
Career and later life
Schwarz became a scientist for transistor manufacturer Philco in 1952, initially modeling the flow of heat in their manufacturing processes. She worked for them in their scientific laboratory in Blue Bell, Pennsylvania, and shifted to part-time work after the birth of her children. In the 1970s she worked in the Space Division of General Electric.
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