[6][7] In 1963, Richardson traveled on weekends, with other Swarthmore SPAC volunteers, to assist the Cambridge, Maryland community in desegregating public accommodations.

[5][8][9] The Cambridge Movement was led by Gloria Richardson with assistance from SNCC field secretaries, including Baltimore native Reggie Robinson.

[7] Richardson eventually joined the SNCC staff at the national office in Atlanta, where she worked closely with James Forman, Ruby Doris Smith-Robinson, and Julian Bond.

[8] She worked with SNCC during their effort that summer to register African American voters in Mississippi, joining Amzie Moore, Bob Moses, Curtis Hayes, and Hollis Watkins.

[6] Richardson later co-produced Blackside's 1994 Emmy and Peabody Award-winning documentary, Malcolm X: Make It Plain (for PBS's The American Experience).

[6][16] Serving as a senior producer for Northern Light Productions in Boston, Richardson produced historical documentaries for broadcast and museums, with a focus on African American historical events, including: a one-hour documentary called Scarred Justice: Orangeburg Massacre 1968 (South Carolina) for PBS;[6] two History Channel documentaries on slavery and slave resistance; and installations for, among others, the National Park Service's Little Rock Nine Visitor's Center, the National Underground Railroad Freedom Center, the New York State Historical Society's "Slavery in New York" exhibit, and the Paul Laurence Dunbar House.

[16] Richardson co-edited Hands on the Freedom Plow: Personal Accounts By Women in SNCC published by University of Illinois Press.