Qui est né en 1805

German mathematician who pioneered analytic number theory, advanced Fourier series, and provided the modern definition of a function

Italian nationalist activist, politician, journalist, and philosopher widely known as the "Prophet of Italian Nationalism" for his work in unifying Italy

Penseur, historien, diplomate français analysant la démocratie, notamment dans *De la démocratie en Amérique*

French diplomat and entrepreneur known for developing the Suez Canal, which joined the Mediterranean and Red Seas in 1869