Marge was born in Chicago Heights, IL, the first of nine (eight girls). While working on the Manhattan Project in Chicago, she met and married Larry Asprey, also on the project, from Sioux City, IA.. When all their seven children were in school, she completed a degree at the College of Santa Fe in Mathematics and Chemistry. She then worked nearly 20 years at Los Alamos, with a year out as a visiting scientist at Karlsruhe, Germany. Finally, Larry and Marge retired to Las Cruces, NM, during which time she won the Walter Zinn Award.