4th Edition of Experiments and Observations on Electricity — Exhibit in the Franklin Institute, Philadelphia, Pennsylvania, USA,, showing Franklin's bifocals on the 4th edition of his book. Photo Credit: By Daderot - Self-photographed, Public Domain, https://commons.wikimedia.org/w/index.php?curid=17126777
Title page of Experiments and Observations on Electricity — Title page of 1751 original publication Photo Credit: By E. Cave - printer - Public Domain, https://commons.wikimedia.org/w/index.php?curid=56312567
Yvonne Choquet-Bruhat — At the workshop "Mathematical Aspects of General Relativity" in Oberwolfach, 2006. Photo Credit: By Renate Schmid - https://opc.mfo.de/detail?photo_id=7800, CC BY-SA 2.0 de, https://commons.wikimedia.org/w/index.php?curid=11209318
Yvonne Choquet-Bruhat
At the workshop "Mathematical Aspects of General Relativity" in Oberwolfach, 2006.
Entrance of the historic building of the ENS — At 45, rue d'Ulm. The inscriptions on the pediment of the monumental doorway display the school's two dates of creation (the first, in the oculus, under the National Convention) and date of installation in this premise. Photo Credit: By Guilhem Vellut - Flickr: ENS, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=27380426
Entrance of the historic building of the ENS
At 45, rue d'Ulm. The inscriptions on the pediment of the monumental doorway display the school's two dates of creation (the first, in the oculus, under the National Convention) and date of installation in this premise.
logo for École Normale Supérieure — Photo Credit: By Source, Fair use, https://en.wikipedia.org/w/index.php?curid=52177135
Louis XIV Visiting the Royal Academy of Sciences — Sébastien Leclerc I, France, 1671 Photo Credit: By Sébastien Leclerc - This file was donated to Wikimedia Commons as part of a project by the Metropolitan Museum of Art. See the Image and Data Resources Open Access Policy, Public Domain, https://commons.wikimedia.org/w/index.php?curid=30184020
Colbert Presenting the Members of the Royal Academy of Sciences to Louis XIV — In 1667, by Henri Testelin; in the background appears the new Paris Observatory Photo Credit: After Charles Le Brun - Public Domain, https://commons.wikimedia.org/w/index.php?curid=12278840
Jean-Baptiste Colbert — Photo Credit: By Philippe de Champaigne - Metropolitan Museum of Art Public Domain, https://commons.wikimedia.org/w/index.php?curid=1353933