He was born in Kraków on 23 June 1896. In the years 1928-1939, Zweig was a lecturer in economics at the Jagiellonian University in Kraków. He was an active member of the Kraków Economic Society (Krakowskie Towarzystwo Ekonomiczne – the city’s economic school). He collaborated with “Czas”, “Czasopismo Prawnicze i Ekonomiczne”, “Przegląd Współczesny”, and in 1927, he assumed the function of the economic editor of “Ilustrowany Kurier Codzienny”. After the outbreak of World War II, he left for Great Britain, where he continued his academic career at the Polish Faculty of Law at Oxford University (until 1946); he received a scholarship from the University of Manchester. In the years 1953-56, he lectured at the Hebrew University in Jerusalem, and in 1964-66, at the University of Tel Aviv. His writings include: Cztery systemy ekonomii (Four Economic Systems) (1932), Ekonomia a technika (Economics and Technique) (1935), Zmierzch czy odrodzenie liberalizmu (The Twilight or the Rebirth of Liberalism) (1938), The Planning of Free Societies (1942), Labour, Life and Poverty (1948), Productivity and Trade Unions (1952), The British Worker (1952), The Worker in an Affluent Society (1961), The New Acquisitive Society (1976). He died in London on 9 June 1988.