Household
Technology
Who Invented the Light Bulb?
Sports
Who Invented Chess?
Household
Who Invented the Outhouse?
Technology
Who Invented Nintendo?
Entertainment
Who Invented Rock and Roll?
Society
Who Invented Giving Someone the Finger?
Entertainment
Who Invented the Overhead Projector?
Technology
Who Invented the DVD Player?
Travel
Who Invented the Compass?
Food
Who Invented Chewing Gum?
History