This undated photo provided by the MacArthur Foundation shows MacArthur Fellow Kevin G. Stassun. (John D. and Catherine T. MacArthur Foundation via AP)

This undated photo provided by the MacArthur Foundation shows MacArthur Fellow Nicola Dell. (John D. and Catherine T. MacArthur Foundation via AP)

This undated photo provided by the MacArthur Foundation shows MacArthur Fellow Jason Reynolds. (John D. and Catherine T. MacArthur Foundation via AP)