Joseph Strauss
Joseph Baermann Strauss (January 9, 1870 – May 16, 1938) was an American structural engineer. He was the chief engineer of the Golden Gate Bridge.
See Wikipedia entry.
He also introduced a new type of bascule bridge[1], several examples of which survive, including Skansen Bridge in Norway. The priciple of Strauss's bascule bridge is clearly shown in the animation here.