Adrien-Marie Legendre Created 2026-10-18 Updated 2026-10-24
Figure 1. . Julien-Léopold Boilly (1796–1874), watercolor caricatures, 1820; Album de 73 Portraits-Charge, portrait 29, Bibliothèque de l’Institut de France. Commons claims public domain in the country of origin and jurisdictions with life-plus-70 terms or shorter. Source usage terms, via Wikimedia Commons. Source.
André-Louis Cholesky Created 2026-10-18 Updated 2026-10-24
Figure 1. . Unknown photographer (Commons field: no conegut). Public domain (PD-old as declared on Commons). Source and usage information on the linked Wikimedia file page. Source.
Augustin-Louis Cauchy 2026-10-24
Figure 1. . Rudolf Hoffmann (1820–1882), lithograph, 1856, after a photograph by Bertsch, Paris; existing crop by ChickSR. Public domain: origin and life-plus-70 jurisdictions; US pre-1931 publication. Source usage terms, via Wikimedia Commons. Source.
Bernardo Recamán Santos Created 2026-10-24 Updated 2026-10-31
A Colombian mathematician known for Recamán's sequence. The primary sequence record cites his 1991 correspondence; an institution-hosted interview independently identifies him as the mathematician and educator.[ref] [ref]
Verified Spanish-language identity page: es.wikipedia.org/wiki/Bernardo_Recam%C3%A1n_Santos. An exact usable portrait URL was not established in the bounded Commons/Wikipedia and institutional-source check; the report records that gap without inferring that no portrait exists.
Blaise Pascal Created 2026-10-13 Updated 2026-10-24
Figure 1.
Portrait of Blaise Pascal
. Paul Prieur, portrait; photograph Anna Danielsson / Nationalmuseum, Stockholm. Creative Commons Attribution-ShareAlike 4.0 International., via Wikimedia Commons. Source.
Brook Taylor Created 2026-10-13 Updated 2026-10-24
Figure 1.
Portrait of Brook Taylor
. Probably Louis Goupy, circa 1720; National Portrait Gallery, London, NPG 1920. Public domain (author died 1747; life-plus-100, pre-1931 U.S. publication) and faithful reproduction / PD-Art. Source and usage information on the linked Wikimedia file page. Source.
Carl Gustav Jacob Jacobi Created 2026-10-14 Updated 2026-10-24
Figure 1. . August Kaselowsky; heliogravure by Giesecke & Devrient. Public domain (as designated on Commons). Source and usage information on the linked Wikimedia file page. Source.
Charles Hermite Created 2026-10-20 Updated 2026-10-24
Figure 1.
Portrait of Charles Hermite
. Photograph by Eugène Pirou (1841–1909); heliogravure by Paul Dujardin (1843–1913); printer Ch. Whittmann; published in Correspondance d’Hermite et de Stieltjes, 1905. Public domain: origin and life-plus-70 jurisdictions; US pre-1931 publication. Source usage terms, via Wikimedia Commons. Source.
Claude Berge Created 2026-10-14 Updated 2026-10-24
Figure 1.
Portrait of Claude Berge
. Mihály Hujter (HUJTER Mihály), photograph in New York, 1985; Commons records VRT permission ticket 2025052210006236. Creative Commons Attribution-Share Alike 4.0 International., via Wikimedia Commons. Source.
Constantin Carathéodory Created 2026-10-18 Updated 2026-10-24
Figure 1. . Caratheodory family; photographer and date unknown, as stated in the Commons File. File records family permission as public domain and an origin-country/life-plus-70-or-shorter public-domain tag. Source usage terms, via Wikimedia Commons. Source.
David Anthony Santos 2026-10-18
A mathematician and mathematics educator who taught at the Community College of Philadelphia.
David Gale Created 2026-10-18 Updated 2026-10-24
Figure 1.
Portrait of David Gale
. George M. Bergman, photograph; Filetime, existing portrait crop. CC BY-SA 4.0, via Wikimedia Commons. Source.