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Kidney transplant pioneer John P. Merrill drowns.

John P. Merrill, MD, whose landmark 1956 report of human kidney transplantation is reprinted in this issue (pp 2566-2571), drowned April 4 in a dockside accident while vacationing in the Commonwealth of the Bahamas. He spent his entire career at Harvard Medical School, Boston, from which he graduated in 1942 and where he was emeritus professor of medicine, and at the Brigham and Women's Hospital, where he took part in the first successful kidney transplant surgery nearly 30 years ago and where after World War II, he helped to build an artificial kidney unit. During that war, as a (then) Army Air Corps major, he served as flight surgeon to the aircrew of the B-29 bomber Enola Gay , who dropped the first atomic bomb on (Hiroshima) Japan. After the war, he returned to his native New England (he was born in Hartford, Conn, in 1917; attended St George's School, Newport,