Welcome to the alphabetical walkthrough of pioneers and personalities. You're now on letter G. Click through the rest of the alphabet to find out more about the people who've helped shape telecommunication as we know it today.
Elisha Gray was almost the inventor of the telephone, who learnt the harsh truth that a miss is a good as a mile.
The Russian born Baron Pavel Schilling is one of the forgotten pioneers of the telegraph. He had developed a working needle telegraph four years before Cooke and Wheatstone - and a working code seven years before ...
Visit the updated Communicate! galllery at the National Museum of Scotland.
Discover the records behind the history of telecommunications as BT Heritage launches online catalogue.
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Gallery: From buttons to bytes
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