Ole Singstad [SEP] place of birth
Singstad farm in Lensvik (now Agdenes municipality) in Trøndelag county, Norway. He was the seventh of nine children born to Knut Jacobsen Singstad (17 May 1831–24 November 1906) and Anne Mikkelsd Auset Singstad (10 July 1843–30 April 1947).
In 1898, Singstad attended grammar school in Ålesund. Later, his sister Marie, a midwife, encouraged Singstad to further his education. He studied in Trondheim at the Trondheim Technical School from 1901–1905, where he was chairman of the student body. 
In 1905, he
Ole Singstad
Ole Knutsen Singstad (June 29, 1882 – December 8, 1969) was a Norwegian-American civil engineer who innovated the ventilation system for the Holland Tunnel (which subsequently became commonly used in other automotive tunnels) and advanced the use of the immersed 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.
Early life.
Ole Singstad was born at