 Mordecai Kaplan

Mordecai Menahem Kaplan (June 11, 1881 – November 8, 1983), was a rabbi, essayist and Jewish educator and the co-founder of Reconstructionist Judaism along with his son-in-law Ira Eisenstein.Kaplan was born in Švenčionys, Lithuania, to Rabbi Israel and Haya (Anna) Kaplan.