The 2015 Distinguished Alumni Award recipients include (from left) Evelyn Bailey Moore, Julie Nash, Cassandra F. Kaufman, Judy L. Burns, Matthew D. Shank and Andrew J. Theising.

The 2015 Distinguished Alumni Award recipients include (from left) Evelyn Bailey Moore, Julie Nash, Cassandra F. Kaufman, Judy L. Burns, Matthew D. Shank and Andrew J. Theising.
The 2015 Distinguished Alumni Award recipients include (from left) Evelyn Bailey Moore, Julie Nash, Cassandra F. Kaufman, Judy L. Burns, Matthew D. Shank and Andrew J. Theising.
The 2015 Distinguished Alumni Award recipients include (from left) Evelyn Bailey Moore, Julie Nash, Cassandra F. Kaufman, Judy L. Burns, Matthew D. Shank and Andrew J. Theising.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.