jan 1, 1794 - 1974 Joseph Louis Proust
Description:
In 1794, Joseph Louis Proust proved that the relative quantities of any pure chemical compounds constituent elements, remain regardless of the compounds source. This is known as Proust's law. He also found out important research in explosions and nutritional chemistry.Added to timeline:
Date:
jan 1, 1794
Now
~ 230 years ago
