Jakob Steiner

Mathematician, pioneer in geometry, Euclidean geometry, projective geometry, synthetic geometry
1796-1863 (67)

Meyer Guggenheim

silver mining magnate, smelting, industrialist, businessman, import & export, patriarch of the Guggenheim family, one of the world's richest families in the 19th and 20th century
1828-1905 (77)
britannica.com

Philipp Hildebrand living

Banker, financier, vice chairman of BlackRock, chairman of Financial Markets Advisory
1963- (61)