American filmmaker, poet, author, and film herstorian. Her book, Reel Women: Pioneers of the Cinema, originally published in 1990, (updated and expanded into two volumes in 2012) was the first on the market to reveal the entrepreneurial, and transformative roles that women played in all aspects of the film industry since its inception. Reel Women was optioned in 1995 for one of the first interactive CD-ROMs ever released, Reel Women: The Untold Story. It was also made into a documentary film with Jodie Foster, Reel Herstory: The REAL Story of Reel Women. Equally prolific as a poet, Acker has released three volumes of poetry. Her book of selected poems, The Language of Sky, is due out in 2018.