
Concrete intellect fails where the eternal soul perceives true existence
Forced into retirement at seventy, Professor Godefroy Leyden refuses to abandon his scientific calling at Leiden University. He decides his final act as an active professor will be an experiment on himself, undergoing a controversial monkey gland transplantation to regain thirty-year-old vigor. By challenging legal age limits through medical innovation, he seeks to prove that human vitality springs from the soul rather than rigid statutory rules.
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