AUGUST 2013 CLUE: Although not trained as an architect, the designer of this boiler house and related buildings for a European complex caught the spirit of the age.
ANSWER: Rudolf Steiner, the philosopher and spiritual leader, who designed the concrete boiler house at Dornach, Switzerland, in 1915 as part of his Goetheanum complex.
2014 Winners: View winners of the 2014 contest.
Photo © Mark Lyon
2013 Winners: View winners of the 2013 contest.
Photo © Tim Hursley