Clifford D. Simak
（重定向自Simak）
![](/Images/godic/202502/11/Clifford_Simak1636.jpg")
![Simak's first story, The World of the Red Sun was listed on the cover of Wonder Stories in 1931](/Images/godic/202502/11/Wonder_stories_1931121636.jpg")
![Simak as pictured in Wonder Stories in 1931](/Images/godic/202502/11/Clifford_Simak_WS_31121636.jpg")
![The first installment of Simak's Time Quarry was the cover story in the debut issue of Galaxy Science Fiction in 1950](/Images/godic/202502/11/Galaxy11636.jpg")
Clifford Donald Simak (August 3, 1904 – April 25, 1988) was an American science fiction writer. He was honored by fans with three Hugo Awards and by colleagues with one Nebula Award. The Science Fiction Writers of America made him its third SFWA Grand Master, and the Horror Writers Association made him one of three inaugural winners of the Bram Stoker Award for Lifetime Achievement.