Mark Clifton was an American science fiction writer, the co-winner of the second Hugo Award for best novel. He began publishing in May 1952 with the widely anthologized story "What Have I Done?".
Mark Clifton
Author details
- Aliases:
 - 
                        
Mark Clifton, Mark Irwin Clifton
 - Born:
 - Oct. 24, 1906
 - Died:
 - Oct. 25, 1963
 
