!!!Lieben, Robert von

b. Vienna, Sept. 5, 1878, 
d. Vienna, Feb. 20, 1913, physicist and inventor. Nephew of Adolf  
Lieben. 1905/06 invented the amplifier thermionic valve named after 
him with magnetic control and in 1910 invented a glowing cathode ray 
tube with grid control (triode), both were essential in the 
development of radio and television technology.

!Literature
OeBL; NDB.



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