Eugenio Beltrami | Italian mathematician | Britannica
https://www.britannica.com/biography/Eugenio-Beltrami
Eugenio Beltrami, (born November 16, 1835, Cremona, Lombardy, Austrian Empire [now in Italy]—died February 18, 1900, Rome, Italy), Italian mathematician known for his description of non-Euclidean geometry and for his theories of surfaces of constant curvature. Following his studies at the University of Pavia (1853–56) and later in Milan, Beltrami was invited to join the …
DA: 38 PA: 90 MOZ Rank: 73