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9 - Sonja Ashauer from São Paulo to Cambridge: A Journey to Quantum Electrodynamics

Published online by Cambridge University Press:  02 July 2025

Patrick Charbonneau
Affiliation:
Duke University, North Carolina
Margriet van der Heijden
Affiliation:
Eindhoven University of Technology
Daniela Monaldi
Affiliation:
York University, Toronto
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Summary

Sonja Ashauer (1923–1948) trained as a physicist at the University of São Paulo in Brazil and obtained a PhD in theoretical and mathematical physics from the University of Cambridge, under the guidance of Paul Dirac. Acknowledged as the first Brazilian woman with a physics PhD, her life was brief: She passed away six months after defending her thesis. In her few contributions, she explored the non-physical consequences of classical equations for point electrons, reformulated by Dirac in the late 1930s to address divergence issues in quantum electrodynamics. This chapter traces Ashauer’s journey from São Paulo, where she collaborated with a small and enthusiastic group of young researchers around the Italian–Russian physicist Gleb Wataghin and focused on cosmic ray physics research, to Cambridge, where she found a more secluded research environment.

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Women in the History of Quantum Physics
Beyond <i>Knabenphysik</i>
, pp. 250 - 276
Publisher: Cambridge University Press
Print publication year: 2025

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References

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