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: STATS FREAK 
Clue: Wilt Chamberlain & this '60s Celtic are the only NBAers to average more than 20 rebounds per game

SOLUTION: bill russell

PROBLEM: Category: ANTARCTICA 
Clue: A research base at the South Pole is co-named for these 2 explorers, the first 2 to reach it

SOLUTION: amundsen

PROBLEM: Category: FACE BOOK 
Clue: Pride & terror mix on Mr. Kurtz' face before he makes this final exclamation

SOLUTION:
the horror!