Euler's Eyes
2026-10-15
History of Mathematics
Page 172 of 191
Image credits
Historical images and photographs
All come from Wikimedia Commons. We use the thumbnails provided by Commons, unedited.
- Galois at 15, drawing by an unknown artist: source page · public domain.
- Galois drawn by his brother Alfred, published in 1848: source page · public domain.
- The letter to Auguste Chevalier, 29 May 1832: source page · public domain.
- The Louis-le-Grand college, Paris, photo by Celette: source page · CC BY-SA 4.0.
Blog figures
The figure of the six symmetries of the triangle is an original illustration. The table in the post was checked by a program that composes the permutations of the corners. The figure has no text and serves every language of the site.
Record
The file data/galois_imagens.json records the origin, licence, verification date and SHA-256 hash of each downloaded image. The historical sources for each topic appear at the end of each post.
Additional historical images
These images come from Wikimedia Commons. The source, licence and SHA-256 hash of each one are recorded in data/galois_imagens.json.
- Postcard of Bourg-la-Reine: unknown author · Wikimedia Commons · public domain
All topics on Évariste Galois · ← The legacy of Évariste Galois