Ole Singstad
Ole Singstad
Ole Knutsen Singstad was a Norwegian-American civil engineer who innovated the ventilation system for the Holland Tunnel and advanced the use of the immersed tube method of underwater vehicular tunnel building, a system of constructing the tunnels with prefabricated sections.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
June 29th, 1882
Age
143
Birth Place
Norway, Trøndelag
Date of Death
December 8th, 1969
Died Aged
87
Star Sign
Cancer
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