Author: William Isaac Thomas
Alternate names: William I. Thomas; 威廉·艾萨克·托马斯; W·I·托马斯; 威廉·艾薩克·托馬斯; 威廉·I·托马斯; دبليو. آي. توماس; 윌리엄 아이작 토머스; W. I. 토머스; 윌리엄 I. 토머스; Томас Уильям Айзек; Уильям Айзек Томас; Томас, Уильям Айзек; Вилијам Исак Томас; William Thomas; Вільям Айзек Томас; ויליאם תומאס; W. I. Thomas
Born: 13 August 1863
Died: 5 December 1947
Bio: William Isaac Thomas was an American sociologist. Working with Polish sociologist Florian Znaniecki, W.I. Thomas developed innovative work on the sociology of migration. Thomas then went on to formulate a fundamental principle of sociology, known as the Thomas theorem. Through his theorem, Thomas contended that, "If men define situations as real, they are real in their consequences" - Wikipedia