A Thumbnail History of Electronics
A broad look at electronics history is found using this web site. It is broken down into eight categories, which are shown on the main page. The important people who took part in each topic are included on the main page also. You can link forward into the cathode rays/electron, wireless telegraphy, vacuum tube, radio, television, radar, electron/waves or transistors pages. Each page contains a description of the discovery and biographies of the people responsible for its evolution.