German inventor Prof. Dr. Fritz Sennheiser, Founder of "Sennheiser",dies in May 17, 2010.
http://en.wikipedia.org/wiki/Fritz_Sennheiser
http://gizmodo.com/5542889/prof-dr-fritz-sennheiser-founder-ofsennheiser-dies
Sennheiser built a crystal radio when he was 11 years old
Wednesday, June 23, 2010
German inventor Prof. Dr. Fritz Sennheiser, Founder of "Sennheiser",dies in May 17, 2010
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