Pat Payne (Physical Therapy class of 1955) and Martha Freeman (standing, Physical Therapy class of 1953) with an unknown patient. Picture taken when both were on Duke Clinical Staff.
A patient lies in an early tank respirator, often referred to as an "iron lung." Respirators were used primarily as treatment for polio. The first tank respirator, credited to Philip Drinker and Louis Shaw, was developed in 1929.
At the center, a line of men and women can be seen in front of a large piece of medical equipment. A nurse is using the piece of equipment on a male patient, while another nurse stands behind her.