
David Wright O'Brien was an American writer known for his contributions to the fantasy and science fiction genres during the early 1940s. A nephew of Farnsworth Wright, the influential editor of 'Weird Tales,' O'Brien made his literary debut at the young age of 22 with the story 'Truth Is a Plague!' published in 'Amazing Stories.' Over the next few years, he became a prolific author, publishing more than fifty-seven stories in various pulp magazines, including 'Amazing Stories' and 'Fantastic Adventures.' He often wrote under several pseudonyms, such as John York Cabot and Duncan Farnsworth, and collaborated closely with his friend William P. McGivern, sharing an office in Chicago where they crafted their imaginative tales. Despite the challenges posed by World War II, O'Brien continued to write even after enlisting in the U.S. Army Air Force. His dedication to his craft was evident as he humorously added 'corporal' before his pseudonyms. Tragically, his life was cut short at the age of 26 when he died during a bombing raid over Berlin. O'Brien's work, characterized by its inventive storytelling and rich imagination, left a lasting impact on the pulp fiction landscape, and he remains a notable figure in the history of American speculative fiction.