LISSAK, MOSHE (1928– ), sociologist. Born in Tel Aviv, Lissak received his doctorate in sociology from the Hebrew University, where he became a professor of sociology in 1978. He did research and wrote on topics such as social and political history of the yishuv, society-army relations in Israel and in South East Asia, and on ethnic group relations in Israel. In 1992 he was awarded the Israel Prize for social sciences. Among his publication are The Mass Immigration in the Fifties: The Failure of the Melting Pot Policy (1978) and Trouble in Utopia: The Overburdened Polity of Israel (1989).