- Author: John F. Watt Author Record # 152867
- Birthplace: Scotland, UK
- Language: English
- Webpages: bearalley.blogspot.nl, sf-encyclopedia.com
- Used These Alternate Names: Kenneth Boyea, Ian Bruce, Hamilton Donne, Hamilton Downe, John Ellis (I), James Elton, Bruce Fenton, Mack James, Frank C. Kneller, Ray Mason, D. J. Mencer, D. J. Mencet, D. R. Mencet, Rod Patterson, John Robertson (I), Neil J. Spalding, Neil J. Spaulding, Edward Stokes
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Short Fiction
- Death Ships (1950) [only as by Frank C. Kneller]
- The Fire Goddess (1950) [only as by D. J. Mencet]
- The Green Ray (1950) [only as by Ray Mason]
- Scarlet Invaders (1950) [only as by D. R. Mencet]
- Vandal of the Void (1950) [only as by Frank C. Kneller]
- Lunar Revolt (1950) [only as by Frank C. Kneller]
- Plan for Conquest (1950) [only as by D. J. Mencer]
- Fire Ray Invaders (1950) [only as by Hamilton Donne]
- Convoy to the Unknown (1950) [only as by D. R. Mencet]
- Forgotten World (1950) [only as by John Ellis (I)]
- Lust for Conquest (1950) [only as by Frank C. Kneller]
- The Green Cloud (1950) [only as by John Robertson (I)]
- Spawn of the Void (1951) [only as by Edward Stokes]
- Terror from the Skies (1951) [only as by Hamilton Downe]
- Doomed World (1951) [only as by Ray Mason]
- Perilous Expedition (1951) [only as by James Elton]
- The Death Planet (1951) [only as by D. J. Mencer]
- Rebels of Venus (1952) [only as by Frank C. Kneller]
- Martian Outcast (1952) [only as by Neil J. Spalding]
- Scourge of Space (1952) [only as by D. R. Mencet]
-
Death from the Swamps (1952)
only appeared as:
- Variant: Death from the Swamps (1952) [as by Ian Bruce]
- Variant: Death from the Swamps (1952) [as by Ray Mason]
- Threat from Mars (1952) [only as by Frank C. Kneller]
- Wreckers of Space (1952) [only as by Mack James]
- Crimson Terror (1953) [only as by Rod Patterson]
- Journey into Tomorrow (1953) [only as by Frank C. Kneller]
- Lost in Space (1953) [only as by D. R. Mencet]
- Slaves of Space (1953) [only as by Bruce Fenton]
- Spacemen's Luck (1953) [only as by Frank C. Kneller]
- The Devil's Weed (1953) [only as by Ray Mason]
- World of Fear (1953) [only as by D. R. Mencet]
- Martian Terror (1953) [only as by Ray Mason]
- The Thought Machine (1953) [only as by Ray Mason]
- Prisoners of Mars (1953) [only as by D. R. Mencet]
- Robot Threat (1953) [only as by Kenneth Boyea]
- Space Warning (1953) [only as by John Robertson (I)]
- Sillisian Menace (1953) [only as by Frank C. Kneller]
- Spawn of Space (1953) [only as by Ray Mason]
- Project Survival (1953) [only as by Kenneth Boyea]
- Satellite Peril (1953) [only as by Bruce Fenton]
- Marooned on Venus (1953) [only as by Bruce Fenton]
- The World Beyond (1953) [only as by Frank C. Kneller]
- The Purple Sun (1953) [only as by John Robertson (I)]
- No Tomorrows (1954) [only as by Kenneth Boyea]
- Traitor of the Void (1954) [only as by D. R. Mencet]
- World of Dread (1954) [only as by Frank C. Kneller]
- Satelite in Space (1954) [only as by John Robertson (I)]
- Last Survivor (1954) [only as by Neil J. Spaulding]
- Riddle of the Robots (1954) [only as by Kenneth Boyea]
- Robot Rebels (1954) [only as by Bruce Fenton]
- Captives of Vesta (1954) [only as by Ray Mason]
-
Destination—Infinity (1954)
only appeared as:
- Variant: Destination-Infinity! (1954) [as by Rod Patterson]
- Variant: Destination—Infinity (1959) [as by Rod Patterson]
- Renegades of the Void (1954) [only as by Kenneth Boyea]
- Space Menace (1954) [only as by Bruce Fenton]
- The Final Threat (1954) [only as by John Robertson (I)]