Clark Hubbs presenting a paper at the 1963 meeting of the American Society of Ichthyologists and Herpetologists at the University of British Columbia in 1963. Photograph by R.J. Kresja.

Clark in this lab in Patterson Laboratories on the UT Austin campus during his years as Chair of Biology. Photographer and exact date unknown.

Another image of Clark in this lab in Patterson Laboratories. Photographer and exact date unknown.

Clark absorbed in a poster at the 1987 meeting of the Desert Fishes Council, a group in which he has long been active. Dr. Lloyd Findley in background. Photo by Walter R. Courtenay, Jr.