After steamboat success, he was urged to work on submarine-launched torpedoes by Pres. Jefferson
In 1864 Union Naval Lieutenant Cushing fitted a steam launch with 
a spar ... After much work, Whitehead introduced his "secret" in 1868 which 
overcame this... [DOC] [TLE] Man of War - USNI News [PAR] Oct 29, 2012 ... On Oct. 29, 1814 The U.S. Navy launched its first steam powered warship, ... of 
steamboat travel, largely centered in his last decade after he had spent ... first 
learned about a submarine that was employed without success in New ... who 
was in Paris on a diplomatic mission for President Thomas Jefferson... [DOC] [TLE] Robert Fulton, Genius Ahead of His Time - The Hudson River Valley ... [PAR] Thomas S. Wermuth, Vice President for Academic Affairs, Marist College.