Brain Snacks: Tasty Tidbits of Knowledge
Lem thought science fiction writing had a "total lack of cognitive values." That is, he thought it was dumb. (Source.)
Stanislaw Lem loved the work of American sci-fi writer Philip K. Dick. However Dick, for his part, wrote to the F.B.I. accusing Lem of being an agent of the Soviet secret police bent on taking over American science fiction. (Source.)
Andrei Tarkovsky, who made the 1972 film of Solaris, said that parts of Lem's novel were difficult to adapt to the screen. So Lem decided to hate him forever. (Source.)
Lem's first novel was semi-autobiographical, and it was suppressed by the Polish Communist authorities. (Source.)