Released on November 21, 1931, is a foundational horror masterpiece directed by James Whale for Universal Pictures . This iconic film features Colin Clive as the obsessive scientist Henry Frankenstein and Boris Karloff in his career-defining role as the "Monster". Plot Summary

In a secluded laboratory in the Bavarian Alps, and his assistant Fritz (Dwight Frye) assemble a human body from various scavenged remains. Their goal is to imbue the lifeless form with vitality using a "great ray" beyond the ultraviolet spectrum. However, a critical error occurs when Fritz accidentally steals a criminal brain instead of a healthy one.