Who invented the peephole?

Answer 1

Many people think the inventor of a peephole was Wiliam Didds lll but it was really George Winningham and he invented the peephole in 1932.

Answer 2

The inventor of the peephole is not definitively known, but some sources credit its creation to Samuel Sommers in the early 20th century. Peepholes have been used in doors for centuries to allow people to see who is knocking or standing outside.