On the basis of sex is a 2018 an American legal drama movie which highlights the issue of gender inequality faced by women during the early 1950s. the movie was directed by Mimi Leader and written by Daniel Stiepleman. This movie is inspired by real life struggles of Ruth Bader Ginsburg to attain equality throughout her career. Owing to her husband's ailing condition who is a second year student at Harvard law School, Ruth Bader Ginsburg joined the same university as a first year student.