Spero was born in
New York City. He studied at
Yeshiva Torah Vodaas in
Brooklyn, New York. He received his B.S degree at
City College of New York and attained an M.A and a PhD in philosophy at
Western Reserve University. In 1947 he received
smicha (ordination), and in 1950 became rabbi of
Young Israel of
Cleveland, Ohio. In 1983 with his wife and family he made
aliyah to Israel settling in
Jerusalem. Spero served as the
Irving Stone Professor of Jewish Thought at
Bar Ilan University. He was Rabbi Emeritus of his Cleveland community. He wrote extensively on the subjects of
halakha, ethics, the Holocaust,
Jewish philosophy and the thought of
Rabbi Joseph B. Soloveitchik. ==Works==