Ole Knutsen Singstad (June 29, 1882 – December 8, 1969) was a Norwegian-American civil engineer who innovated the ventilation system for the Holland Tunnel and advanced the use of the "Sunk-tube" method of underwater vehicular tunnel building, a system of constructing the tunnels with prefabricated sections.
By 1950 Singstad had designed and overseen the construction of more underwater tunnels than all other engineers combined.
Ole Singstad was b...
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Ole Knutsen Singstad (June 29, 1882 – December 8, 1969) was a Norwegian-American civil engineer who innovated the ventilation system for the Holland Tunnel and advanced the use of the "Sunk-tube" method of underwater vehicular tunnel building, a system of constructing the tunnels with prefabricated sections.
By 1950 Singstad had designed and overseen the construction of more underwater tunnels than all other engineers combined.
Ole Singstad was born at Singstad farm in Lensvik (now Agdenes) in Sør-Trøndelag, Norway. He was the seventh of nine children born to Knut Jacobsen Singstad (17 Mai 1831- 24 Nov 1906) and Anne Mikkelsd Auset Singstad (10 Jul 1843-30 Apr 1947).
In 1898 Singstad went to Ålesund to study grammar school. Later, his sister Marie, a midwife, encouraged Singstad to further his education. He studied at the Trondheim Technical School from 1901-1905, where he was chairman of the student body. In 1905, he emigrated to the USA. He became a U.S. Citizen in 1911.
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