
Wonder Stories Dec 1931 — Synthetic Men Growing in Glass Cylinders
This cover of Wonder Stories, Hugo Gernsback's 'Magazine of Prophetic Fiction,' illustrates Ed Earl Repp's story 'The Synthetic Men.' A white-coated scientist oversees towering glass cylinders in which green-skinned humanoid figures gestate — one raising a hand dramatically as if awakening. The laboratory setting crackles with mad-science energy, with industrial machinery and glowing vats evoking Frankenstein-era anxieties about artificial life. The vivid green flesh tones against the clinical white environment epitomize Golden Age pulp cover sensationalism.
Closer to an exploding space station than a quiet library — green synthetic humanoids clawing at glass tubes while a scientist plays god rates as peak Gernsback-era fever-dream spectacle. The lurid color palette and dramatic gestural figure push it firmly into wild pulp territory.
“"The Magazine of Prophetic Fiction" / WONDER STORIES / Hugo Gernsback Editor / December / "THE SYNTHETIC MEN" / By / ED EARL REPP / Other Science Fiction Stories By / WESLEY ARNOLD / MORTON BRENARY / HENRY F. HARTMAN / 25”





