(Editor's note: October is LGBT History Month, celebrated annually to recognize the notable achievements of LGBT people throughout time. Each day this month, Equality Forum will feature one LGBT icon who has made notable contributions to society and SDGLN will publish the story here in the Causes section.)

Mary Kay Henry is a labor union organizer and the first female president of the Service Employees International Union (SEIU).

(Editor's note: October is LGBT History Month, celebrated annually to recognize the notable achievements of LGBT people throughout time. Each day this month, Equality Forum will feature one LGBT icon who has made notable contributions to society and SDGLN will publish the story here in the Causes section.)

William “Billy” Haines was one of the most popular silent and talking film stars of the 1930’s. He left show business when he refused to deny his homosexuality.

(Editor's note: October is LGBT History Month, celebrated annually to recognize the notable achievements of LGBT people throughout time. Each day this month, Equality Forum will feature one LGBT icon who has made notable contributions to society and SDGLN will publish the story here in the Causes section.)

Henry Gerber was among the earliest gay rights activists in America. He founded the nation’s first gay organization and gay publication.

(Editor's note: October is LGBT History Month, celebrated annually to recognize the notable achievements of LGBT people throughout time. Each day this month, Equality Forum will feature one LGBT icon who has made notable contributions to society and SDGLN will publish the story here in the Causes section.)

Jodie Foster is a celebrated actor, director and producer. She has received two Academy Awards, two Golden Globes and a Screen Actors Guild Award.