Date of Birth: 
Place of Birth: Mathieu, Normandy, France
About Hilaire Rouelle
- Hilaire Marin Rouelle (15 February 1718 – 7 April 1779) was an 18th-century French chemist.
- Commonly cited as the 1773 discoverer of urea, he was not the first to do so.
- Dutch scientist Herman Boerhaave had discovered this chemical as early as 1727.
- Rouelle is known as "le cadet" (the younger) to distinguish him from his older brother, Guillaume-François Rouelle, who was also a chemist.
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