The Thing
The creator is interesting:<p><a href="https://en.wikipedia.org/wiki/Léon_Theremin" rel="nofollow">https://en.wikipedia.org/wiki/Léon_Theremin</a><p>And his most famous creation:<p><a href="https://en.wikipedia.org/wiki/Theremin" rel="nofollow">https://en.wikipedia.org/wiki/Theremin</a>