Antoine-Laurent Lavoisier (1743-1794), who explained combustion and created ... The next sound was the thump of the guillotine. 3. By touching, tasting, and sniffing isolated chemicals, Karl Wilhelm ...

Silas Deane, left, worked with Pierre-Augustin Caron de Beaumarchais, center, to secure gunpowder from Antoine Lavoisier, right. Alamy (3) Shortly after taking command of the Continental Army in ...

Antoine-Laurent Lavoisier naît le 26 août 1743 à Paris. Son père est avocat, ce qui lui permet de recevoir une excellente éducation au Collège Mazarin. Il y acquiert une base importante en ...

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the ...