- 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
- Captives of Vesta (1954)
- Captives of Vesta (1954) with Ray Mason
- Convoy to the Unknown (1950)
- Convoy to the Unknown (1950) with D. R. Mencet
- Crimson Terror (1953)
- Crimson Terror (1953) with Rod Patterson
- Death from the Swamps (1952)
- Death from the Swamps (1952) with Ian Bruce
- Death from the Swamps (1952) with Ray Mason
- Death Ships (1950)
- Death Ships (1950) with Frank C. Kneller
- Destination-Infinity! (1954) with Rod Patterson
- Destination—Infinity (1954)
- Destination—Infinity (1959) with Rod Patterson
- Doomed World (1951)
- Doomed World (1951) with Ray Mason
- Fire Ray Invaders (1950)
- Fire Ray Invaders (1950) with Hamilton Donne
- Forgotten World (1950)
- Forgotten World (1950) with John Ellis (I)
- Journey into Tomorrow (1953)
- Journey into Tomorrow (1953) with Frank C. Kneller
- Last Survivor (1954)
- Last Survivor (1954) with Neil J. Spaulding
- Lost in Space (1953)
- Lost in Space (1953) with D. R. Mencet
- Lunar Revolt (1950)
- Lunar Revolt (1950) with Frank C. Kneller
- Lust for Conquest (1950)
- Lust for Conquest (1950) with Frank C. Kneller
- Marooned on Venus (1953)
- Marooned on Venus (1953) with Bruce Fenton
- Martian Outcast (1952)
- Martian Outcast (1952) with Neil J. Spalding
- Martian Terror (1953)
- Martian Terror (1953) with Ray Mason
- No Tomorrows (1954)
- No Tomorrows (1954) with Kenneth Boyea
- Perilous Expedition (1951)
- Perilous Expedition (1951) with James Elton
- Plan for Conquest (1950)
- Plan for Conquest (1950) with D. J. Mencer
- Prisoners of Mars (1953)
- Prisoners of Mars (1953) with D. R. Mencet
- Project Survival (1953)
- Project Survival (1953) with Kenneth Boyea
- Rebels of Venus (1952)
- Rebels of Venus (1952) with Frank C. Kneller
- Renegades of the Void (1954)
- Renegades of the Void (1954) with Kenneth Boyea
- Riddle of the Robots (1954)
- Riddle of the Robots (1954) with Kenneth Boyea
- Robot Rebels (1954)
- Robot Rebels (1954) with Bruce Fenton
- Robot Threat (1953)
- Robot Threat (1953) with Kenneth Boyea
- Satelite in Space (1954)
- Satelite in Space (1954) with John Robertson (I)
- Satellite Peril (1953)
- Satellite Peril (1953) with Bruce Fenton
- Scarlet Invaders (1950)
- Scarlet Invaders (1950) with D. R. Mencet
- Scourge of Space (1952)
- Scourge of Space (1952) with D. R. Mencet
- Sillisian Menace (1953)
- Sillisian Menace (1953) with Frank C. Kneller
- Slaves of Space (1953)
- Slaves of Space (1953) with Bruce Fenton
- Space Menace (1954)
- Space Menace (1954) with Bruce Fenton
- Space Warning (1953)
- Space Warning (1953) with John Robertson (I)
- Spacemen's Luck (1953)
- Spacemen's Luck (1953) with Frank C. Kneller
- Spawn of Space (1953)
- Spawn of Space (1953) with Ray Mason
- Spawn of the Void (1951)
- Spawn of the Void (1951) with Edward Stokes
- Terror from the Skies (1951)
- Terror from the Skies (1951) with Hamilton Downe
- The Death Planet (1951)
- The Death Planet (1951) with D. J. Mencer
- The Devil's Weed (1953)
- The Devil's Weed (1953) with Ray Mason
- The Final Threat (1954)
- The Final Threat (1954) with John Robertson (I)
- The Fire Goddess (1950)
- The Fire Goddess (1950) with D. J. Mencet
- The Green Cloud (1950)
- The Green Cloud (1950) with John Robertson (I)
- The Green Ray (1950)
- The Green Ray (1950) with Ray Mason
- The Purple Sun (1953)
- The Purple Sun (1953) with John Robertson (I)
- The Thought Machine (1953)
- The Thought Machine (1953) with Ray Mason
- The World Beyond (1953)
- The World Beyond (1953) with Frank C. Kneller
- Threat from Mars (1952)
- Threat from Mars (1952) with Frank C. Kneller
- Traitor of the Void (1954)
- Traitor of the Void (1954) with D. R. Mencet
- Vandal of the Void (1950)
- Vandal of the Void (1950) with Frank C. Kneller
- World of Dread (1954)
- World of Dread (1954) with Frank C. Kneller
- World of Fear (1953)
- World of Fear (1953) with D. R. Mencet
- Wreckers of Space (1952)
- Wreckers of Space (1952) with Mack James