Samuel F.B. Morse American painter and inventor who developed the electric telegraph (1832–35). In 1838 he and his friend Alfred Vail developed the Morse Code. It resulted in the tremendous growth of messages through post offices and reduced the physical travel of messengers considerably . Guglielmo Marconi Italian physicist and inventor of the successful wireless telegraph (1896) . He received the Nobel Prize for Physics in 1909. He worked on the development of shortwave wireless communication, which constitutes the basis of nearly all modern long-distance radio. It meant a giant leap – from an era of communication using wires to communicating without using wires. (wireless) Alexander Graham Bell Scottish-born American inventor, scientist, and teacher of the deaf. His foremost accomplishments were the invention of the telephone (1876) and the refinement of the phonograph (1886). Perhaps the most widely used means of communication in the history of mankind .