Anne Elisabeth Betty Heyer was born in Denver, Colorado on 7 October 1918, and grew up in Los Angeles, California, where she graduated from Hollywood High School in 1936. Heyer had an older brother, Vernon, and a younger sister, Harriette. Before joining the Women's Army Auxiliary Corps (WAAC) in November of 1942, Heyer worked at Sears Roebuck.
Heyer served as a sergeant in the WAAC and Women's Army Corps (WAC) until she was discharged in November 1945. She attended basic training at Daytona Beach, and also trained at Fort Des Moines, Iowa, and Fort Oglethorpe, Georgia. In addition, Heyer graduated from Photography School at Lowry Field in Colorado in 1943, where she trained to be a photographic repair technician. In late 1943 or early 1944, she was sent to MacDill Air Base in Tampa, Florida, as a member of the 3rd Photographic Mapping squadron. Heyer served for roughly one year, beginning in November 1944, in New Guinea and the Philippines. During this time she received several decorations, including the Good Conduct Medal, the Women's Army Corps Service Medal, the Asian Pacific Campaign Medal, the World War II Victory Medal, the Philippine Liberation Medal, and the Presidential Unit Citation.
After her discharge in 1945 Heyer attended North Hollywood Night School, Sawyer's Business School, Pasadena City College, and Marymount College. Heyer had a variety of jobs after leaving the army, including working as an editor and manager of technical publications at Garrett Air Turbine from 1967 to 1983.