Emma Vyssotsky

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Emma Vyssotsky (23 October 1894 – May, 1975), born Emma T. R. Williams in Philadelphia, was an American astronomer. She received her Ph.D. in astronomy from Harvard College in 1930. She spent her career at the McCormick Observatory of the University of Virginia, where her speciality was motions of stars and kinematics of the galaxy. She won the Annie J. Cannon Award in Astronomy in 1946.

She married the Russian-born astronomer Alexander N. Vyssotsky in 1929. They had one son Victor A. Vyssotsky (a mathematician and computer scientist) who was involved in Multics project and creator of Darwin computer game.

The asteroid 1600 Vyssotsky was named in her honour; it was discovered October 22, 1947, by Carl A. Wirtanen, who received his Master's degree from the University of Virginia in 1939 while working at McCormick Observatory.

She was awarded the Annie J. Cannon Award in Astronomy by the American Astronomical Society.