R. L. “Bob” Murphree, of Knoxville, died February 1, 2011. Bob earned a bachelor’s degree from Mississippi State University and a master’s and doctor’s degree from the University of Wisconsin in Madison. During WWII Bob served combat duty aboard the USS President Hayes with rank of Lieutenant. In 1949 he accepted a joint appointment for research at the UT-AEC Agricultural Research Laboratory in Oak Ridge, Tennessee, and Professor in the Agriculture Department at the University of Tennessee, Knoxville. His research program on effect of ionizing radiation on reproductive functions in farm animals received national and international recognition. His professorship spanned 33 years and included undergraduate, as well as master’s and doctoral students. Bob received 2 Mortar Board Citations for outstanding service to UT, as well as 1978′s Outstanding Teacher for the College of Agriculture.