You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: PERSONAL PRODUCTS 
Clue: This company introduced its baby powder in 1893, its baby oil in 1935 & its baby shampoo in 1954
johnson & johnson

Category: TOYMAKERS 
Clue: In 1997 Mattel sued Miller'$, a magazine devoted to this fashion doll, for copyright infringement
barbie

Category: THE EARTH 
Clue: Until this 19th century French scientist, no one had proved the Earth rotated

foucault