 He was a member of the Polish Academy of Learning (PAU) since 1946, and later the Polish Academy of Sciences (PAN).From 1965 to 1970, he worked as deputy secretary of PAN, and from 1958 to 1974, he was chairman of the Academy of Pedagogical Sciences.On 20 December 1982 Suchodolski was appointed chairman of the National Council of Culture, and from 1985 to 1989 he served as senior marshall in Sejm.