- Author: John L. Chapman Author Record # 19000
- Legal Name: Chapman, John Leslie
- Birthplace: Gilby, Grand Forks, North Dakota, USA
- Birthdate: 21 May 1920
- Language: English
- Webpages: comicsdetective.com
- Used These Alternate Names: John Chapman (I)
- Note: Originally from Gilby, ND, Chapman had moved with his parents to Minneapolis by his high school years. He went on to the University of Minnesota, gaining a degree in journalism.
| Other views: | Awards Alphabetical Chronological |
Magazine Editor Series
- The Science-Fiction Collector Magazine
- The Science-Fiction Collector - 1937 (1937) with Morris Scott Dollens [only as by John Chapman (I) and Morris S. Dollens]
- In the Earth's Shadow (2021)
- Into the Sun (2021)
- Escape Thru Time (1938)
- Upon the Dark Moon (1939)
- Cycle (1940)
- In the Earth's Shadow (1940)
- Another's Eyes (1941)
- Lunar Gun (1941)
- Crystal World (1941)
- Into the Sun (1941)
- Time, Inc. (1941)
- Stroke (1942)
- Letter (Amazing Stories, February 1935) (1935) [only as by John Chapman (I)]
- Letter (Astounding Stories, June 1935) (1935) [only as by John Chapman (I)]
- Letter (Astounding Stories, February 1936) (1936) [only as by John Chapman (I)]
- Letter (Astounding Stories, April 1936) (1936) [only as by John Chapman (I)]
- Letter (Amazing Stories, December 1936) (1936) [only as by John Chapman (I)]
- Letter (Thrilling Wonder Stories, April 1937): Requests (1937) [only as by John Chapman (I)]
- The Editor's Page (The Science-Fiction Collector, May 1937) (1937) with Morris Scott Dollens [only as by John Chapman (I) and Morris S. Dollens]
- X-Raying the Editors (1937) [only as by John Chapman (I)]
- Letter (Amazing Stories, June 1937) (1937) [only as by John Chapman (I)]
- Letter (Thrilling Wonder Stories, February 1938): Penton and Blake Novel? (1938) [only as by John Chapman (I)]
- Letter (Astounding, August 1938) (1938) [only as by John Chapman (I)]
- Letter (Weird Tales, August 1939): Best Magazine in Pulp Paper (1939) [only as by John Chapman (I)]
- Letter (Astounding, October 1940) (1940)
- Letter (Astounding, April 1941) (1941)