Welcome to the alphabetical walkthrough of pioneers and personalities. You're now on letter Z. Click through the rest of the alphabet to find out more about the people who've helped shape telecommunication as we know it today.
Philip Zimmerman is a cryptography expert who developed the main e-mail protection software called Pretty Good Privacy (PGP).
Konrad Zuse developed a computer in Germany well before the Second World War. His machine, the Z-1 built between 1936 and 1938, can claim to be the first binary digital computer in the world. It survived the war and is ...
Vladimir Zworykin and John Logie Baird are usually cited as the fathers of TV - but both in the end were unsuccessful, because they missed vital aspects of The Big Picture.
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.
Last month: History of the internet learning resource
Gallery: From buttons to bytes
Fun activity: BT Tower activity
Search: History of computers
