Lee de Forest has been mentioned less than a dozen times throughout the RSS channels we monitor. This location appears to be especially popular on the channel 'IEEE Spectrum' where it has less than a dozen mentions. As seen in the chart below, Lee de Forest had the highest popularity figure in February, 2017.

? Location Mentions History Monthly Yearly
?The Longest Periods Of Continual Mentions
?Location Mentions History
Recent News
October 25 Events in History

[...] of Liberia 1907 Frederik of Oaths disbands mental home colony Walden 1906 U.S. inventor Lee de Forest patents “Audion,” a 3-diode amplification valve which proved a pioneering [...]

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