Michal Sedziwój

Born in 1566 in Poland, Michał Sędziwój—often known in Latinized form as Michael Sendivogius—was a nobleman, physician, philosopher, and alchemist. He lived and worked at a time when natural philosophy, medicine, and early chemistry were closely connected, and he became widely known across Europe for his experiments and writing.

He is especially remembered for Novum Lumen Chymicum (The New Light of Alchemy), a work that circulated widely in the seventeenth century. In it, he explored the nature of air and matter in ways that later readers saw as strikingly forward-looking, which helped give him a lasting place in the history of science.

Sędziwój died in 1636. Today he is remembered not just as an alchemist in the old tradition, but as a figure who stood near the border between mystical speculation and the early development of chemistry.