Civil engineer: born in
Muhlhausen, Germany, June
12, 1806; graduated at the Berlin Royal Polytechnic School in 1826; came to the
United States in 1829, and settled near
Pittsburg, Pa. Later he began the manufacture of iron and steel wire, which he discovered could be used with efficacy in the building of bridges.
In 1844-45 he directed the construction of a bridge over the
Alleghany River at
Pittsburg, in which were used the first suspension wire cables ever seen in the
United States.
After successfully building several other suspension bridges he moved his wire factory to
Trenton, N. J. In 1851-55 he constructed the New York Central Railroad suspension bridge across the
Niagara River.
This work at the time was considered one of the wonders of the world, and was followed by the construction of other great bridges, including that between
Cincinnati and
Covington.
In 1868 he was appointed chief engineer of the
Brooklyn Bridge, his plans for which had been approved by a commission of eminent engineers.
He was the author of
Long and short span Railway bridges.
He died in
Brooklyn, N. Y., July 22, 1869.