Hilaire Rouelle

Hilaire Marin Rouelle (1718 – 1779) was a French chemist. In 1773, he discovered urea. He is known as "le cadet" (the younger) to distinguish him from his older brother, Guillaume-François Rouelle, who was also a chemist.

Hilaire Marin Rouelle Hilaire Rouelle Hilaire Rouelle Hilaire Rouelle