Margaret Sanger was a birth control pioneer who is best known for her activism in the early 20th century. She is remembered for her work to promote access to contraception and reproductive health services, and for coining the term 'birth control'. Her surname, Sanger, is derived from the German word for 'SINGER' and her nickname, SANGER, is a 6-letter word derived from her surname. Her maiden name, SAGER, is a 5-letter word derived from her surname.