a French woman of letters and political theorist, the daughter of banker and French finance minister Jacques Necker and Suzanne Curchod, a leading salonnière.

a Russian author and social critic who was arrested and exiled under Catherine the Great.

a German mechanical engineer and inventor after whom the Wankel engine was named.

a German realist painter of portraits and scenes of peasant life

an Italian mathematician and philosopher. By 1788 he had earned university degrees in philosophy, medicine/surgery and mathematics.

an English mathematician and philosopher. He is best known as the defining figure of the philosophical school known as process philosophy,