The fictional scholar at the center of C.S. Lewis’s Space Trilogy is named Elwin Ransom.
Ransom first appears in Out of the Silent Planet, published in 1938. He is a Cambridge philologist who is abducted and taken to Malacandra, the planet commonly identified with Mars. The later novels Perelandra and That Hideous Strength expand his role from unwilling traveler to a major participant in a cosmic conflict involving humanity, spiritual powers, and technological ambition.
Ransom’s academic specialty is important to the first novel because language and translation shape his understanding of Malacandra. His name is sometimes confused with “Eustace,” another important Lewis character, but Eustace Scrubb belongs to The Chronicles of Narnia.
The trilogy combines planetary adventure with philosophical and theological themes. Lewis wrote it partly in conversation with other interwar science fiction, especially the work of H.G. Wells and Olaf Stapledon, while presenting a very different view of progress, materialism, and humanity’s place in the universe.