 Robert A. Heinlein dedicated his 1985 novel "The Cat Who Walks Through Walls" to Anderson and eight of the other members of the Citizens' Advisory Council on National Space Policy.The Science Fiction Writers of America made Anderson its 16th SFWA Grand Master in 1998 and the Science Fiction and Fantasy Hall of Fame inducted him in 2000, its fifth class of two deceased and two living writers.He died of prostate cancer on July 31, 2001, after a month in the hospital.