TASK DEFINITION: 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.
PROBLEM: Category: POSTAGE STAMPS 
Clue: "Oh, The Places He'll Go!" was USA Today's headline announcing the 2004 stamp honoring this artist & author

SOLUTION: dr. seuss

PROBLEM: Category: MOVIE MOUNTAINS 
Clue: This peak is featured in the 1959 Disney film "Third Man on the Mountain", where it's called "The Citadel"

SOLUTION: the matterhorn

PROBLEM: Category: SNACK BRANDS 
Clue: Each unit in this brand, introduced in 1968, is a hyperbolic paraboloid, & they fit together for perfect storage

SOLUTION:
pringles potato chips