Sexism in Hollywood can be traced more or less to the point when it became a lucrative business, say some of the women who have become exceptions to the rule by succeeding despite gender-related obstacles.

A new documentary, premiering tonight on PBS stations, takes a look at the history of those obstacles and examines how a number of women, past and present, have dealt with them. Hear from some of the key players and get a preview of “Makers: Women in Hollywood” by reading our report from TVWeek Open Mic blogger Hillary Atkin, which you can see by clicking here.