Evelyn Berezin was born in the Bronx, New York, in 1925. She received her bachelor’s degree in physics in 1945 from New York University, followed by an Atomic Energy Commission fellowship for graduate study in 1946. In 1962 Berezin built a reservations system for United Airlines, one of the largest computer systems built at the time. In 1969 she founded and served as CEO of Redactron, a new maker of word processors. Part one of two focuses on Berezin’s education and early work.