[Found here via here. Related posts here and here.]
Darrow’s “Monopoly” made him a millionaire, but it wasn’t completely original. It was an adaptation of “The Landlord’s Game” patented over three decades earlier by Elizabeth J. Magie:
Elizabeth Phllips (nee Magie) renewed her patent in 1924.
[Image from somewhere. I hate lolcats, I just liked the colors.]