Pierre Weiss

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Pierre Weiss
Born (1865-03-25)25 March 1865
Died 24 October 1940(1940-10-24) (aged 75)
Nationality French
Fields Physics
Known for Ferromagnetism

Pierre-Ernest Weiss (25 March 1865 – 24 October 1940) was a French physicist who developed the domain theory of ferromagnetism in 1907.[1] Weiss domains and the Weiss magneton are named after him. Weiss also developed the Molecular or Mean field theory, which is often called Weiss-mean-field theory.

Weiss was born in Mulhouse and died in Lyon.


  1. ^ Hellemans, Alexander; Bunch, Bryan (1988). The Timetables of Science. Simon & Schuster. p. 411. ISBN 0671621300.