An often-repeated legend has it that Campbell, on receiving the manuscript for Sinister Barrier, created Unknown primarily as a vehicle for the short novel (pp. 9–94).
[3] His second novel, Dreadful Sanctuary (serialized in Astounding during 1948) is an early example of conspiracy fiction, in which a paranoid delusion of global proportions is perpetuated by a small but powerful secret society.
[3] The official, well-documented version is that he served with the Royal Air Force, with whom he saw active service in Europe as a member of a Mobile Signals Unit.
[3] Russell wrote numerous non-fiction essays on Fortean themes, some of which were collected in a compendium of Forteana entitled Great World Mysteries (1957).
Russell had an easy-going, colloquial writing style that was influenced in part by American "hard-boiled" detective fiction of the kind popularized by Black Mask magazine.
[6] Another common theme is the single resourceful human pitted against a ponderous alien bureaucracy, as in the novels Wasp and Next of Kin, as well as several shorter works.
On other occasions, for example in the short stories "Somewhere a Voice" and "The Army Comes to Venus", his work has a deeper and more serious tone, in which the spiritual aspects of humanity's endeavours and aspirations shine through.
[12] Russell's short story "Jay Score" (1941) is unusual amongst the pulp fiction of its time in presenting a black character, the ship's doctor, without any racial stereotyping.
Indeed, this story and its sequels (collected in Men, Martians and Machines) may be considered an early example of the science fiction subgenre in which a spaceship is crewed by a multi-ethnic, mixed human/non-human, complement (cf.