Léon Rosenfeld (14 August 1904 in Charleroi – 23 March 1974) was a Belgian physicist. He obtained a PhD at the University of Liège in 1926, and he was a close collaborator of the physicist Niels Bohr. He did early work in quantum electrodynamics that predates by two decades the work by Dirac and Bergmann. Rosenfeld contributed to a wide range of physics fields, from statistical physics and quantum field theory to astrophysics. Along with Frederik Belinfante, he derived the Belinfante-Rosenfeld stress-energy tensor. He also founded the journal Nuclear Physics and coined the term lepton.
Awards and honors
In 1933, Rosenfeld married Dr. Yvonne Cambresier, who was one of the first women to obtain a Physics Ph.D from a European university. They had a daughter, Andrée Rosenfeld (1934-2008) and a son, Jean Rosenfeld.
- Léon Rosenfeld's Marxist defense of complementarity, by Anja Skaar Jacobsen 
- Leon Rosenfeld and the challenge of the vanishing momentum in quantum electrodynamics, by Donald Salisbury 
- Jacobsen, Anja Skaar. Léon Rosenfeld: Physics, Philosophy, and Politics in the Twentieth Century. doi:10.1142/7776.
- Rosenfeld, Léon (1948). Nuclear Forces. Interscience Publishers, New York, xvii.
- Smith, Claire. "Andree Jeanne Rosenfeld (1934-2008)". ResearchGate. Retrieved 2015-11-28.
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