MAY 2013 CLUE: A small, modest beach house on the East Coast helped launch the career of the world-famous architect, who is still active today.

ANSWER: Richard Meier, who completed the Lambert House on Fire Island, New York, in 1962.

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2014 Winners: View winners of the 2014 contest. Photo © Westlake Reed Leskosky

2013 Winners: View winners of the 2013 contest. Photo © Chris Reinhart/Artifice Images