Robert Moore Williams (1907...1977), born in Farmington, Missouri, was an American writer, primarily of science fiction. Pseudonyms included John S Browning, H. H. Hermon, Russell Storm and E. K. Jarvis (a house name).

His first published story was Zero as a Limit, which appeared in Astounding Science Fiction in 1937, under the pseudonym of "Robert Moore". He was a prolific author throughout his career, with his last novel appearing in 1972. His "Jongor" series was originally published in Fantastic Adventures in the 1940s and 1950s, but only appeared in book form in 1970. By the 1960s he had published over 150 stories.

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