Alexandre-Stephanovich Popov, Rusian physicist, c 1905.

 
Alexandre-Stephanovich Popov, Rusian physicist, c 1905.
4 0 c m
 
33cm
actual image size: 25cm x 32cm

Description

Etching of Alexandre-Stepanovich Popov (1859-1905). Popov studied at St Petersburg University and became a profesor there in 1901. Independently of Guglielmo Marconi (1874-1937), he invented wireles telegraphy in 1896. He was the first person to use a suspended wire as an aerial, and he also introduced choking coils to neutralise the effect of local sparks. Published by the International Telecommunication Union (1955-1964). Dimensions (overall): 230mm x 190mm.

© Science Museum / Science & Society Picture Library

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