Introduction to Engineering Notes: The original idea for the Golden Gate Bridge came from bridge engineer Joseph Strauss. Other major designers include Alvin Morrow, who decided on its artistic shape and color, and Collaborator, who collaborated on complex mathematical calculations. Engineer Charles Ellis and bridge designer Leon Moiseifer. Construction began on January 5, 1933, and the bridge opened to automobiles on May 28, 1937, when President Roosevelt pressed a button in Washington. A unique design during the construction of the bridge was a safety net under the bridge. During the construction, 11 people fell to death, and 19 people were rescued by the safety net. After that, these 19 people became a "Halfway to Hell Club" Honorary member.