Biographical notes
Chronology biograp. 
History telegraph
History telephone
History radio
History TV
History components
Scientists index


Sir Oliver Joseph Lodge 


Staffordshire 12.June.1851- Lake -Salisbury 22.August.1940 
1898 Detector of electromagnetic waves (coherer)
Physical and researcher in February 1898 presents patent application named Electric telegraphy which presented the coherer he conceived the question becomes the 609,154 US patent on August 16, 1898. This patent will be acquired by Marconi.