Student, Columbia University, 1947-1949; student, Tel Aviv (Israel) U., 1956-1958.
Freelance writer, Palestine, 1945-1946, 49-54; delegate, The Jewish Agency, 1946-1949; United Nations correspondent, Hebrew Daily DAVAR, 1947-1948; co-editor, The Hebrew Popular Encyclopedia, Tel Aviv, 1955-1956; head division publications, Volcani Institute Agriculture, Rehovot, Israel, 1956-1962; member of staff, Daily MAARIV, Tel Aviv, 1958-1960; editor-in-chief, MADA-Hebrew Science Journal, Jerusalem, 1962-1990; freelance science writer, since 1990.
Lieutenant Israeli Air Force. Member Israel Association Science and Medical Writers (chairman foreign affairs committee 1977-1987, 79-82), Council Biology Editors, International Science Writers Association (co-founder since 1967), National Association Science Writers, European Science Journalists (associate).
Married Chana Heimann, June 15, 1950. Children: Ori, Niri.