1923- . Hungarian socialist leader. As secretary of the ruling Hungarian Socialist Worker's Party's (HSWP) central committee 1962-74 and a member of its politburo 1966-74, he was the architect of Hungary's liberalizing economic reforms in 1968. In 1940 Nyers joined the Hungarian Social Democratic Party, which in 1948 was forcibly merged with the communists. He was removed from his HSWP posts in 1974 and his career remained at a standstill until 1988, when, with a new reform initiative under way, he was brought back into the politburo. He became head of the newly formed Hungarian Socialist Party in 1989.