Along with her peers Mel Roman and Charles Hobson, Bowser researched and curated "The Black Film" retrospective at the Jewish Museum in 1970.
In 2012, Bowser gifted her library of films to the Smithsonian Institution's Center for African American Media Arts.
She frequented the movie theaters of Harlem along 125th street watching "Hollywood Westerns, B-movies and whatever black films were out at the time."
She was able to find a sense of identity and pride from Robeson's club where he would share information about culture, art, and film.
LeRoy was active in Brooklyn CORE (Congress of Racial Equality) and Pearl "along with other production activists, took to the streets documenting African American culture and issues—working to bring these films to schools".
[4] Bowser stumbled upon her career in film when a friend, documentary filmmaker Ricky Leacock, asked her to work in his office where she helped out with billing and ordering equipment.
Bowser started teaching seminars and workshops on African-American and African film at universities, libraries and museums in 1971.
[4] Additionally, while accomplishing all this, Bowser was the director of the Theater Project at Third World Newsreel, the largest distributor of independent film by people of color in the United States, from 1978 to 1987.