| |  | John Philip Holland (29 February, 1840 -12 August, 1914) was an engineer who developed the first submarine to be formally commissioned by the U.S.... |  | Alan Mathison Turing, OBE (23 June 1912 - 7 June 1954) was an English mathematician, logician, and cryptographer. Turing is often considered to be... |  | Les Paul (born Lester William Polsfuss on June 9 1915) is an American jazz guitarist and inventor. He is one of the most important figures in the... |  | John Muir was one of the first modern preservationists. His letters, essays, and books telling of his adventures in nature, and wildlife,... |  | Louis Braille (January 4, 1809 - January 6, 1852) was the inventor of braille, a world-wide system used by blind and visually impaired people for... |  | Dr. Bertrand Piccard (born March 1, 1958) is a Swiss psychiatrist and balloonist. He was born in Lausanne, Vaud canton. His grandfather Auguste... |  | Samuel Finley Breese Morse (April 27, 1791 - April 2, 1872) was an American painter of portraits and historic scenes, and co-inventor (with Alfred... |  | Levi Strauss, born Löb Strauss was the German-born American creator of the first company to manufacture blue jeans. His namesake firm, Levi S... |  | Edouard-Leon Scott de Martinville (1817 - April 26, 1879) was a French printer, librarian, and bookseller who lived in Paris. He invented the... |  | Robert Hooke, FRS (July 18, 1635 – March 3, 1703) was an English polymath who played an important role in the scientific revolution, through both ex... | |
