OCTOBER 2013 CLUE: This stucco-walled house, designed over 20 years ago for a beach town, anticipated the architect’s future work conceived on a larger scale .

ANSWER: Antoine Predock, who completed the Rosenthal House in Manhattan Beach, California, in 1993.

WINNER: Daniel Swiontoniowski, a project architect with Ghafari Associates in Dearborn, Michigan.

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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