NEW YORK (JTA) — Leonard Fein, a veteran Jewish activist and writer, has died at 80.

Fein died Thursday morning, announced the Forward newspaper, where he was a longtime columnist.

A prominent voice of Jewish liberalism and left-wing Zionism, Fein was the author of numerous books on Jewish issues and politics.

Fein was the founder of Mazon: A Jewish Response to Hunger and of the National Jewish Coalition for Literacy.

He also was a founder and board member of Americans for Peace Now, the American affiliate of Israel’s Peace Now movement.

In 1975, he co-founded Moment Magazine with Elie Wiesel. Fein was a former professor of political science and social policy at Brandeis University, where he also taught Jewish studies.