Misc photo seeking info on who, when & where?

Text with the photo says;

Dr Marvin S Shepard

Supervisor Dyeing and Finishing, Technical Service Section of Textile Fibers Department, Marketing Division, E I du Pont de Nemours and Company, Inc; PhD (1958) University of Chicago. Joined the Textile Fibers Department of Du Pont in 1958; product development and applications research on nylon, Dacron polyester, Qiana nylon, Tyvek spunbonded olefin. Currently, supervises the dyeing and finishing group for warp knitting upholstery of nylon and “Dacron” polyester; member of AATCC, American Chemical Society, and several other technical associations; published in textile journals; holder of several textile patents.