Swiss-American structural engineer who designed the George Washington Bridge, Verrazano-Narrows Bridge, and Bayonne Bridge.
He emigrated to the United States from Switzerland in 1904.
He was one of the first recipients of the National Medal of Science for Behavioral and Social Science.
He had three children with his first, wife Lilly Selma Wehrli, who he married in 1905.
His most famous bridge was named after America's first President, George Washington.