Robert Mills won the competition for the Washington Monument in 1836, but it was not until the late 19th century that construction was completed, delayed by various problems, especially raising money for construction.
I.M. Pei designed the second building for the National Gallery of Art in the late 1960s. Its modernist architecture of flat facades and sharp angles is in marked contrast to John Russell Pope’s Classical Revival building, started in the late 1930s and finished in the 1940s, after his death, by his associates.
(c)Bill Lebovich, all rights reserved, 2013