Health
History
Who Invented the American Flag?
Food
Who Invented the Snickers Candy Bar?
Technology
Who Invented Carbon Nanotubes?
Food
Who Invented the Mars Bar?
Education
Who Invented the Quadratic Formula?
Food
Who Invented Peanut Butter?
Education, Household
Who Invented Chalk?
History
Who Invented Thanksgiving?
Technology
Who Invented the Space Shuttle?
History
Who Invented the Iron?
Food