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: LIBRARIES 
Clue: Samuel Pepys' famous diary is housed at the Pepysian Library at Magdalene College at this university
cambridge

Category: LADS NAMED VLAD 
Clue: In 1929, while working for RCA, this inventor & engineer demonstrated the first practical all-electronic TV
vladimir zworykin

Category: POETS & POETRY 
Clue: In "New Hampshire" he wrote, "Do you know, considering the market, there are more poems produced than any other thing?"

robert frost