In the winter of 1852, John Roebling and his 15 year-old son, Washington were riding a ferry boat across the East River from New York to Brooklyn. John Roebling was an engineer. His specialty was building bridges. As he looked across the East River, he could picture the bridge he wanted there. For years after that, John tried to convince people that his plan for a bridge across the East River was a good one. But most people thought it was nearly impossible to bridge the wide and powerful river. John knew it would be difficult. There wer ....