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Bernadette Lessel

@bernalessel.bsky.social

Historian of physics, Postdoc @unibonn.bsky.social. Working on the history of general relativity and unified field theory, πŸ“Berlin

73 Followers  |  72 Following  |  5 Posts  |  Joined: 04.11.2023
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Posts by Bernadette Lessel (@bernalessel.bsky.social)

I am co-organizing an interdisciplinary early-career workshop on the questions of what has been considered to constitute mathematical knowledge and mathematical practice throughout history. My dear co-organizer @cleliacrialesi.bsky.social has got all the details! πŸ‘‡

10.02.2026 17:29 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Introduction to Category Theory for Non-Mathematicians

Happy to share this workshop program on 'Introduction to Category Theory for Non-Mathematicians', organized by a PhD student of mine, Marjolein Holvoet. It takes place at Ghent University. #philsky #philsci #philmath

www.ugent.be/doctoralscho...

12.01.2026 09:24 β€” πŸ‘ 13    πŸ” 4    πŸ’¬ 2    πŸ“Œ 2
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UPAC Colloquium Learn more about the weekly, hybrid UPAC Colloquium series.

The next UPAC colloquium speaker session will be held tomorrow (4 Nov 2025, 15h30-17h00), we will be hosting Christian RΓΆken [University of Bonn], who will give a talk on "Stationary Limit Surfaces of Black Holes". For more information,Β visit:
www.uu.nl/en/research/...

03.11.2025 08:49 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Programm des Seminars. Vortragende: Lucy James, Sebastian Horvat, Bernd Henschenmacher, Michael Kramer

Programm des Seminars. Vortragende: Lucy James, Sebastian Horvat, Bernd Henschenmacher, Michael Kramer

The Bonn History and Philosophy of Physics Research Seminar has started again! Reach out if you'd like to attend! πŸ‘‡

15.10.2025 07:20 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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100 Years of Quantum: Perspectives on its Past, Present, and Future In July 1925, Heisenberg published his paper on matrix mechanics, followed shortly thereafter (in early 1926) by Schrodinger’s paper on wave mechanics. As such, 2025 is the centenary of the modern qua...

CFA: 100 Years of Quantum: Perspectives on its Past, Present, and Future - October 20–24, 2025 - @perimeterinstitute.ca, Waterloo, Canada
Abstract deadline is August 24, 2025
Details: events.perimeterinstitute.ca/event/1013/ (via Doreen Fraser) #HPS βš›οΈ

08.08.2025 18:35 β€” πŸ‘ 14    πŸ” 7    πŸ’¬ 0    πŸ“Œ 0
Book cover of "Die AnfΓ€nge der Quantenmechanik: Die grundlegenden Arbeiten zur Matrizenmechanik von Heisenberg, Born, und Jordan.β€œ The upper third of the cover is yellow, the lower two thirds are red with the book title in yellow letters.

Book cover of "Die AnfΓ€nge der Quantenmechanik: Die grundlegenden Arbeiten zur Matrizenmechanik von Heisenberg, Born, und Jordan.β€œ The upper third of the cover is yellow, the lower two thirds are red with the book title in yellow letters.

New book by alumnus Research Group Leader Alexander Blum and Martin JΓ€hnert: "Die AnfΓ€nge der Quantenmechanik" πŸ“•

The volume explores the #QuantumMechanics work of Heisenberg, Born, and Jordan, with detailed commentary that gives physics students access to their works.

πŸ”— bit.ly/qMt5 (GER)

#HistSci

06.08.2025 09:47 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
Philosophy of Mathematics and Epistemology Workshop - TU Berlin

On the 11th of July, the TU will host a workshop on philosophy of mathematics and epistemology. Details below. Speakers will be @guidotana.bsky.social, Nastasia MΓΌller, Bernadette Lessel, @asgeirberg.bsky.social and me. All welcome!

www.tu.berlin/hpstl/verans...

19.06.2025 07:43 β€” πŸ‘ 5    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0

Congrats!

01.04.2025 16:29 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Wer schreibt jetzt die positive (nicht utopische) Zukunftsvision eines Europas, das sich in Elektrifizierung, Verteidigung, Humanismus und menschenwΓΌrdiger Migration so einig ist, dass es langfristig das attraktivste und stabilste Gesellschafts- und Wirtschaftsmodell bietet und deshalb prosperiert?

03.03.2025 08:10 β€” πŸ‘ 516    πŸ” 100    πŸ’¬ 28    πŸ“Œ 3
The European Physical Journal H (EPJ H) The European Physical Journal H (EPJ H). The purpose of this journal is to catalyse, foster, and disseminate an awareness and understanding of the historical development of ideas in contemporary physi...

The history of physics journal EPJ H now explicitly invites submissions of tandem papers, i.e. articles co-authored by physicists and historians of physics πŸ‘‰ epjh.epj.org/epjh-news/28...

26.02.2025 09:02 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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New to the Digital Library: John Wheeler's Relativity Notebooks | American Philosophical Society Header image: A page from Wheeler's notebook showing his famous diagram of a black hole.The Relativity Notebooks from the John Wheeler Papers are now digitized in their entirety and available to view ...

John A. Wheeler (1911-2008, APS 1951), a leading theoretical physicist and pioneer in the study of black holes, kept meticulous research notebooks. The 19 notebooks at APS are now digitized. Read this week's blog post from Joseph DiLullo to learn more. www.amphilsoc.org/news/new-dig...

19.02.2025 15:00 β€” πŸ‘ 6    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
Global Doctoral Scholarship – Bonn-StAndrews – History of Mathematics at St Andrews

πŸ“’Call for applicationsπŸ“’ for the interdisciplinary HPS PhD project "Continuities and discontinuities in understanding the origin of mass" jointly @unibonn.bsky.social and @uniofstandrews.bsky.social! Full advert here: history-of-maths.wp.st-andrews.ac.uk/global-docto.... Deadline Feb 21.

13.01.2025 20:00 β€” πŸ‘ 1    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
Global Doctoral Scholarship – Bonn-StAndrews – History of Mathematics at St Andrews

πŸ“’Call for applicationsπŸ“’ for the interdisciplinary HPS PhD project "Continuities and discontinuities in understanding the origin of mass" jointly @unibonn.bsky.social and @uniofstandrews.bsky.social! Full advert here: history-of-maths.wp.st-andrews.ac.uk/global-docto.... Deadline Feb 21.

13.01.2025 20:00 β€” πŸ‘ 1    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
Flavio. Background: slide on a special issue in EPJH

Flavio. Background: slide on a special issue in EPJH

Flavio del Santo mentions guest editing work together with @bernalessel.bsky.social in his talk "The future of indeterminism looking at the past". #rcnp2025

10.01.2025 14:58 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0