Mary Ann Sweeney (born 1945)[1] is an American physicist at Sandia National Laboratories.
[2] Sweeney is originally from Mercersburg, Pennsylvania; her parents moved to Baltimore when she was a teenager to improve their children's educational prospects.
She majored in physics at Mount Holyoke College,[2] graduating in 1967[3] with a bachelor's thesis concerning white dwarf stars.
[2] She married a fellow Columbia astronomy student and followed him to Albuquerque, where he had been assigned for his service in the United States Air Force.
[7] She is one of four coauthors of the book Impactful Times: Memories of 60 Years of Shock Wave Research at Sandia National Laboratories (2017).