A Discovery biography

A brief biography of the inventor of the telegraph and Morse code, who planned from early childhood to be a painter of great historical pictures but first won recognition as a portrait painter.

A brief biography of the inventor of a gin to seed upland cotton and of a way to mass produce musket locks.

A biography of the West Point graduate who learned civil engineering "from the ground up" and supervised the completion of the Panama Canal.

A brief biography of the first admiral of the United States Navy.

A biography of the marine biologist and nature writer well-known for her campaign against the careless use of chemicals.

A biography of the first woman doctor in the United States who worked in England and the U.S. to open the field of medicine to women.