Elizabeth Morgan Cooper was born in Syracuse, New York, and graduated from Radcliffe College in 1913. She read mathematics at Newnham College, Cambridge University, in 1924-1925, and received a Masters' degree from Bryn Mawr College and a Ph.D. in mathematics from the University of Illinois. She taught mathematics at two girls' secondary schools and was principal of the Buckingham School in Cambridge, Massachusetts before becoming supervisor of mathematics and teacher training at Hunter College (in New York City), and chairman of the mathematics department at Hunter College High School, in 1937. After retiring to Syracuse in 1957, she taught undergraduate mathematics at Syracuse University and participated in teacher training seminars. A lifelong Quaker, EMC was active in the American Friends Service Committee. She died in Syracuse in 1967.
From the guide to the Papers, 1909-1967, (Schlesinger Library, Radcliffe Institute)