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 consistency, answers should be in all lower cased letters.

Category: SCIENCE GUYS 
Clue: Eugene Dubois died in 1940 still believing his "Java Man" to be this legendary connector between man & ape
the missing link

Category: BEASTLY LITERATURE 
Clue: Santiago, the old man in a Hemingway story, struggles mightily with this type of game fish
marlin

Category: AMERICAN AUTHORS 
Clue: He began his "Goosebumps" series with 1992's "Welcome to Dead House"

r.l. stine