Sandra Charlene Greer (born Sandra Charlene Thomason, 1945) is an American physical chemist who has held important academic and administrative positions at both the University of Maryland, College Park and Mills College. Her area of study is the thermodynamics of fluids, especially polymer solutions and phase transitions. She has received awards for her scientific contributions, and for her advocacy for women in science and her work on ethics in science. Source: Wikipedia (en)