Michael Williams, an expert on race and ethnicity, will discuss “Ebola: The International Response & Crisis of Pan-Africanism” from 12 to 1 p.m. Oct. 15 at UMSL.

Michael Williams, an expert on race and ethnicity, will discuss “Ebola: The International Response & Crisis of Pan-Africanism” from 12 to 1 p.m. Oct. 15 at UMSL.
Michael Williams, an expert on race and ethnicity, will discuss “Ebola: The International Response & Crisis of Pan-Africanism” from 12 to 1 p.m. Oct. 15 at UMSL.
Michael Williams, an expert on race and ethnicity, will discuss “Ebola: The International Response & Crisis of Pan-Africanism” from 12 to 1 p.m. Oct. 15 at UMSL.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.