Gwen Randolph, a Navy veteran and science content specialist for East St. Louis Schools, was appointed to her historic post in August.

Gwen Randolph, a Navy veteran and science content specialist for East St. Louis Schools, was appointed to her historic post in August.
Gwen Randolph, a Navy veteran and science content specialist for East St. Louis Schools, was appointed to her historic post in August.
Gwen Randolph, a Navy veteran and science content specialist for East St. Louis Schools, was appointed to her historic post in August.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.