Heinrich Hertz, German physicist, 1886.
4 0 c m
 
28cm
actual image size: 20cm x 32cm

Heinrich Hertz, German physicist, 1886.

© Science Museum / Science & Society Picture Library

Description

Hertz (1857-1894) discovered 'Hertzian waves', (electromagnetic waves), and discovered that they behave like light waves except for their wavelength. He was reputedly the first man to broadcast and receive radio waves and the unit of frequency of radio waves is named after him.
 

Image Ref.

10301850
 

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