From the attached caption: "Engineering economics study group at Armour Research Foundation of Illinois Institute of Technology, Chicago,... Show moreFrom the attached caption: "Engineering economics study group at Armour Research Foundation of Illinois Institute of Technology, Chicago, considers a problem in the profitability of new production facilities. Clockwise are Raymond A. Erickson, supervisor of engineering economics, Harvey E. Glaess, associate chemist, John D. Keane, assistant supervisor of chemical engineering, and Richard H. Snow, research fellow." Photographer unknown. Date of photograph is unknown. Date range listed is approximate. Show less
