Mordechai (Max) Lowenthal (February 26, 1888-1970) was an American Jewish political operative who in 1948 was instrumental in influencing President Harry S. Truman to officially recognize the state of Israel. Lowenthal was trained as an attorney and worked in Washington DC a number of years on Congressional committees where he befriended several United States Senators, one being Senator Truman from Missouri.
Max Lowenthal was born in 1888 in Minneapolis, Minnesota to Nathan (Naphtali) Lowenthal and Gertrude (Nahamah Gitel) Lowenthal. His parents were Orthodox Jews from Kovno, Lithuania who settled in Minnesota in the 1870s. Max Lowenthal attended Minneapolis public schools where he did exceptionally well in Latin and literature. In 1905 he graduated first in his high school class.
He went on to the University of Minnesota and Harvard Law School graduating in 1909 and 1912 respectively. At Harvard he began a lifelong friendship with future Supreme Court justice Felix Frankfurter.