A memorial service for Philippe E. Wamba ’93, the former editor of Africana.com whose memoir, “Kinship: A Family’s Journey in Africa,” dealt with culture, race, and his roots in the United States and Africa, will be held on Saturday (Oct. 19) at 2 p.m. at the First Parish Unitarian Universalist Church, 3 Church St., in Cambridge. A reception following the service will be held at the Barker Center at 12 Quincy St. Wamba was killed in a car crash in Kenya on Sept. 11. He was 31. Condolences and tributes may be sent to Elaine and Ernest Wamba, c/o IST, P.O. Box 2651, Dar-es-Salaam, Tanzania.