MAY 2015 CLUE: A principal of a well-known architectural firm designed a private library featuring a Renaissance inspired rare-book room for one of the richest men of the Gilded age.

MAY 2015 ANSWER: The answer to the May issue’s Guess the Architect is Charles Mckim of Mckim, Mead & White, who designed the Morgan Library and its Renaissance-inspired east room for John Pierpont Morgan in New York in 1906.

WINNER: James Vira , Director of Design, BL Companies, New York City, New York

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2015 Winners: View winners of the 2015 contest.

Photo © Laurie Jones

2014 Winners: View winners of the 2014 contest.

Photo © Harvard Art Museums/Busch-Reisinger Museum

2013 Winners: View winners of the 2013 contest.

Photo © Michael de Lapaz