1886-1972. US biochemist. In 1914 he isolated the hormone thyroxin, the active compound of the thyroid gland. He went on to work on secretions from the adrenal gland, among which he discovered a compound E, which was in fact the steroid cortisone. For this Kendall shared the 1950 Nobel Prize for Medicine with Philip Hench (1896-1965) and Tadeus Reichstein.