Potofsky, Jacob (Samuel)(1894–1979) labor leader; born in Radomisl, Ukraine. Emigrating to the United States in 1905, he took part in the Hart, Schaffner and Marx strike in Chicago in 1910. A founder of the Amalgamated Clothing Workers (ACWA), he worked as an organizer in the 1930s, served as ACWA secretary-treasurer (1940–46), and then president (1946–72).
The Cambridge Dictionary of American Biography, by John S. Bowman. Copyright © Cambridge University Press 1995. Reproduced with permission.