A person standing next to a dog in a snowdrift by a car parked in front of a house

Technical Advisers Watch "Heart" Work--The man-made machine in foreground is doing the work of a living dog's heart and lungs during an operation recently at Hahnemann Medical College and Hospital, Philadelphia. Left to right: Frederick Rehmus, research engineer at the college; a nurse; Dr. E.C. Fink, associate professor of chemical engineering at Drexel Institute of Technology; Gerald Lewis, engineer, and J.J. Ashton, president, of J.J. Ashton Co., New York; and two unidentified surgeons. Rehmus, Fink, Lewis and Ashton helped surgeons develop the machine.

Jose Michelman

Veterans Administration Hospital, West Roxbury, Massachusetts

Oxford Street, Chinatown, Boston