Gideon Welles was an American politician and diplomat who served as the Secretary of the Navy under President Abraham Lincoln during the Civil War. Born on July 1, 1802, in Connecticut, he passed away on February 11, 1878. Welles played a crucial role in the Union's naval strategy and operations, expanding the naval forces and developing effective strategies against the Confederate navy. His tenure as Secretary of the Navy was pivotal in the Union's naval victory and had a lasting impact on the United States' naval capabilities.