1994 Death Reginald Hall, endocrinologist, dies at 83 1982 Death Hans Selye, endocrinologist, first to demonstrate the existence of biological stress, began stress research in 1926, published 7 popular books, 1,700 research papers, 15 monographs, dies in Montreal, Canada 1931 Birthday Reginald Hall, endocrinologist 1907 Birthday Hans Selye, born in Vienna, Austria, endocrinologist, first to demonstrate the existence of biological stress, began stress research in 1926, published 7 popular books, 1,700 research papers, 15 monographs