61C-05-036 (12-18 Jan. 1986) --- U.S. Representative Bill Nelson (Democrat - Florida), STS-61C payload specialist, prepares to photograph individual samples in the Handheld Protein Crystal Growth Experiment (HPCG) on Columbia's middeck. The operations involve the use of four pieces of equipment to attempt the growth of 60 different types of crystals -- 12 by means of dialysis and 48 via the vapor diffusion method. The photo was used by members of the STS-61C crew at their Jan. 23, 1986, Post-Flight Press Conference.

61C-05-035 (12-17 Jan 1986) --- Robert J. Cenker, 61-C payload specialist representing RCA, returns a tiny tool to its stowage position after adjusting the inner workings of a device used in one of a number of detailed supplementary objective (DSO) studies for NASA's Space Biomedical Research Institute. The device is a pair of ocular counter-rolling goggles used by U.S. Rep. Bill Nelson (D., Florida), 61-C's other payload specialist aboard the Columbia for this five-day flight.