Paul Langevin

Paul Langevin

Paul Langevin (23 January 1872 – 19 December 1946) was a French physicist who was active at the beginning of the 20th century.

He invented sonar and worked with Albert Einstein.

Paul Langevin Media

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  Albert Einstein, Paul Ehrenfest, Paul Langevin, Heike Kamerlingh Onnes, and Pierre Weiss at Ehrenfest's home in Leiden in the Netherlands

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  Pioneers in the development and application of piezoelectric transducers for the goal of submarine detection (a) Paul Langevin, (b) Robert William Boyle, (c) Cross-sectional view of a form of quartz transducer designed by Boyle in 1917, as recorded in the BIR (Board of Invention and Research) document 38164/17