Gladiator

Originally Published: 1930"The lusty life of an uninhibited superman!"A scientist invents a serum to improve humankind by granting the proportionate strength of an ant and the leaping ability of the grasshopper. He injects his pregnant wife with the serum, and his son Hugo Danner is born with superhuman strength, speed, and bulletproof skin.The novel is widely accepted to have been an inspiration for Superman.