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: OXFORD UNIVERSITY 
Clue: He was expelled from Oxford but nevertheless learned 25 languages & translated "The Arabian Nights"
sir richard burton

Category: EARLY ART 
Clue: This art form of setting stones or glass into mortar was the main decorative art of the Byzantine Empire
mosaic

Category: SIMON 
Clue: Born in 1927, he wrote his first Broadway hit, "Come Blow Your Horn", in 1960

neil simon