John Jay Osborn
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John Jay Osborn (1917–2014) was an American physician who made contributions to the early use of cardiopulmonary bypass (CPB) during heart surgery and to the postoperative care of such patients. He was a faculty member at the Stanford University School of Medicine.
Born in Detroit and raised in Manhattan, Osborn was the son of Major General Frederick Osborn, a military officer who helped to develop the G.I. Bill. He was a descendant of John Jay and Cornelius Vanderbilt. He earned a biology degree from Princeton University and then graduated from the Johns Hopkins School of Medicine.[1]
Osborn entered the U.S. Army as a medical officer during World War II. Before he left for the army, he had submitted a paper for publication based on a study he had conducted with dogs, showing that the dogs could survive deep hypothermia. Osborn received a letter from eminent cardiac surgeon Alfred Blalock asking for some revisions on his paper, but by this time Osborn was lying in a tent in the Philippines during a downpour, so he could not complete work on the paper.[2] After two years with the U.S. Army,[2] he completed a residency at New York University School of Medicine, where he developed an interest in understanding blood oxygenation.[1]