WebDevelopersNotes logo

home-icon Home / Events on 30 June / Lee de Forest Death Anniversary

Lee de Forest Death Anniversary

Lee de Forest Death Anniversary - 30 June 1961

Lee de Forest died on 30 June, 1961

American inventor and a pioneer in the fields of radio and for sound-on-film recording (Phonofilm). He is most famous for inventing the three-electrode vacuum-tube (Audion).

Your comments
Star icon IMPORTANT Have a question / problem? Click here to ask an expert.

Why should you delete web browser history?

Sponsored Links


How do I view a deleted web page?
Is there a way to view a deleted web page - one that is no longer available? Yes there is and the solution is quite simple. [more...]


Nupedia, which was available in five different languages, was the precursor of Wikipedia. However, unlike the now popular online encyclopaedia, Nupedia wasn't "open" to everyone. Only selected people with expertise in their fields could write articles which were then reviewed by editors. [more...]

We use cookies to give you the best possible website experience. By using WebDevelopersNotes.com, you agree to our Privacy Policy