Bernadette Lessel

Historian of physics affiliated with the Lichtenberg Group for History and Philosophy of Physics at the University of Bonn, working on the twentieth-century history of general relativity and gravitation research. Matters to this vault as the sole author of its own first reading in GR historiography-of-textbooks: her 2026 preprint "On the Utility of Textbooks in Understanding the Renaissance of General Relativity" (arXiv:2610.13562) anchors three of the vault's new claim-notes, arguing that textbooks from the field's 1955–early-1970s "Renaissance" constitute a distinctive form of historical testimony and empirically correlating Roberto Lalli's identified research centers with the textbooks their principal investigators wrote. She has separately published on Pascual Jordan's extended gravitation theory (2025), cited in her own paper's references.

References

• claim-lessel-2026-renaissance-era-gr-textbooks-are-distinctive-historical-testimony — her central thesis.
• claim-lessel-2026-nearly-all-renaissance-center-pis-produced-a-school-textbook — her empirical PI-textbook correlation.
• claim-lessel-2026-renaissance-of-general-relativity-dated-1955-to-early-1970s — the periodization her paper adopts.
• question-corroborate-lessel-2026-renaissance-centers-without-pi-textbook — open corroboration question on her held-back fourth finding.