1981 American surgeon Henry Swan II (1913-1996, who pioneered the use of hypothermia (cooling patients to a very low body temperature), to permit the first open-heart surgeries. Between 1953 and 1964

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Photo credit: © World History Archive / Alamy / Afripics
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Keywords: 1913-1996, 1981, 20th, american, archival, archive, body, century, henry, historical, history, hypothermia, ii, medical, medicine, open-heart, photograph, photography, surgeon, surgery, swan, temperature