Abraham Lefkowitz
Abraham Lefkowitz was a co-founder of the American Federation of Teachers, of the New York City Teachers Union in 1916 and the New York City Teachers Guild, which broke off from the TU in 1935. For both the TU and TG, he served as legislative representative to relevant New York city and state government bodies.
Lefkowitz studied at City College of New York and New York University. He taught in the New York City public school system starting in 1903, including at DeWitt Clinton High School and the High School of Commerce. He also served as the principal of Samuel J. Tilden High School from 1938 to 1955.
