The Neanderthal Man

A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results. A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results. A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results. A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.