Pierre-Simon Laplace Created 2026-10-18 Updated 2026-10-24
Portrait of Pierre-Simon Laplace
. Lithograph by Zéphirin Belliard after Jean Baptiste Regnault, printed by Delpech, 1834; British Museum 1895,0617.492. Commons PD-scan and PD-old-100-expired: origin/life-plus-100 jurisdictions and US pre-1931 publication, via Wikimedia Commons. Source.