a German-born pharmacologist and psychobiologist who discovered the role of acetylcholine as an endogenous neurotransmitter

a French author and an influential member of the Institut de France, noted especially for his accessible treatment of scientific topics during the unfolding of the Age of Enlightenment.

a French painter who led the Realism movement in 19th-century French painting.

a German and Austrian surgeon and amateur musician.

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

a logician, mathematician, and philosopher. Considered along with Aristotle and Gottlob Frege to be one of the most significant logicians in history,