A prolific author in various genres under his own name, John Francis Russell Fearn also used these pseudonyms: Astron del Martia, Brian Shaw, Conrad G. Holt, Dennis Clive, Frank Jones, Geoffrey Armstrong, Griff, Hugo Blayn, John Russell, K. Thomas Mark Denholm, Paul Lorraine, Polton Cross, Spike Gordon, Thornton Ayre, Vargo Statten, Volsted Gridban, Dom Passante, John Cotton, Ephriam Winiki, Lawrence F. Rose, Earl Titan, Ephraim Winiki
