This cover was reprinted in a very special limited edition large booklet prepared for the London Super Comic Convention for 2013 by PS Artbooks, along with many full comic stories and short comic features from the early 1950's.
Martha Durando (Hugo's wife, mentioned only, death); Professor's un-named assistant (death?); Professor Hugo Durando (villain, death)
Synopsis
When learned experts refuse to listen to Professor Durando's wild claims, he decides to go out on his own and conduct experiments with his serum that can change a men to beast and back again....on himself, with horrifying and unexpected results!