A Science Odyssey: Guglielmo Marconi - Features short biography, photograph, and two related experiments to try at home. From PBS.
Biography of G. Marconi - Biography focuses on the work leading up to the Nobel Prize in Physics with Marconi received in 1909.
Britannica.com: Guglielmo Marconi - biography, life, and work of the Italian physicist and inventor of a successful system of radio telegraphy.
Encarta: Marconi, Guglielmo - Provides a short biography and portrait.
Father of Radio: Guglielmo Marconi - from BBC Education.
Fondazione Guglielmo Marconi - dedicated to the origins and development of radiocommunications; and the archival resources relating to the history of telecommunications and to Guglielmo Marconi's life.
Guglielmo Marconi - biographical information from The First Electronic Church of America.
Guglielmo Marconi: Transmitting Electrical Signals - Short biography and sketch; information also available in RealAudio format.
Marconi Calling - exploration of the man's life, his scientific discoveries, the impact of wireless, and the development of modern communications.
Top-Biography.com: Guglielmo Marconi - Tells the story of the Italian engineer who invented the first practical radio-signaling system. Identifies his major works and includes a timeline of his life.
U.S. Marconi Museum of Radio Communications - from the US branch of the Guglielmo Marconi Foundation.
Who was Guglielmo Marconi? - Short biography tells how the waves Marconi was able to produce and detect laid the foundation for modern radio.