František Křižík
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František Křižík (July 8, 1847, Plánice near Klatovy – January 22, 1941, Stádlec near Tábor) was a Czech inventor, electrical engineer and entrepreneur.
Křižík was born in a poor family. In spite of this he managed (in 1866) to study engineering. In 1878 he invented device to protect against collision between trains. His first experiments in Plzeň resulted in the invention of the electric arc lamp, the so-called Plzen Lamp (1881), successfully defended as patent against Werner Siemens. In 1884 Křižík set up his own company building tramway lines, power stations and electric equipment.
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