Edward Swatschek · CC BY-SA 3.0

A Hugo and Nebula Award winner across six decades of science fiction writing, Silverberg is best known for novels including Downward to the Earth, Dying Inside, and Lord Valentine's Castle, the opening book of his Majipoor series. He was inducted into the Science Fiction and Fantasy Hall of Fame and named a Grand Master by the SFWA in 2004, and as of 2015 had attended every Hugo Award ceremony since the first one in 1953.