Quote of the day
At each increase of knowledge, as well as on the contrivance of every new tool, human labour becomes abridged.
Joseph Proust
Born: September 26, 1754
Died: July 5, 1826 (aged 71)
Bio: Joseph Louis Proust was a French chemist. He was best known for his discovery of the law of constant composition in 1794, stating that chemical compounds always combine in constant proportions.