Who were the freedom riders?
Generally, they were Civil Rights Activists.
More specifically, they were people from the 1960's who wanted segregation laws changed. Many of them were members of the Congress of Racial Equality. Freedom Riders were both African-American and white.
Some notable Freedom Riders are: Stokely Carmichael, Roby Doris Smith-Robinson, James Peck, James L. Farmer, Jr., James Lewis, William Mahoney, and US Representative Bob Filner (D-CA).