Bruce Hartford was a member of SCLC who participated in the March Against Fear and worked in Grenada.

Source:
http://www.crmvet.org/vet/hartford.htm

Major Wright was a member of SCLC who worked in Grenada. On October 24, 1967, he was arrested after a protest march and was beaten while in custody.

Source:
http://crdl.usg.edu/people/w/wright_major/

R.B. Cottonreader was a member of SCLC who worked across the South, including in Grenada.

Source:
http://crdl.usg.edu/people/c/cottonreader_r_b/

Winters Knott was a black civil rights worker in Grenada.  He was arrested on October 28, 1966, with a group of civil rights workers.

Source:
http://crdl.usg.edu/people/k/knott_winters/

Mrs. Foster was 16 years old when the Meredith March came through Grenada. She was also one of the students who integrated the all-white high school in the city. Ms. Foster was elected as the first African-American and female mayor in the city of Grenada.

Sources:

http://www.crmvet.org/info/grenada.htm

http://www.usm.edu/crdp/html/transcripts/manuscript-neely_jasper.shtml

Dittmer, John. Local People: The Struggle for Civil Rights in Mississippi. Urbana, Ill. University of Illinois Press, 1994.