This document provides biographical information about Antoine Laurent de Lavoisier, a French chemist who lived from 1743 to 1794. It discusses that he came from a wealthy family in Paris and was educated at College des Quatre-Nations. In addition to his scientific work, Lavoisier also served on a government gunpowder commission and tried to reform tax law. He is credited with naming the elements of carbon, hydrogen and oxygen, discovering oxygen's role in combustion and respiration, and helping transform chemistry into a quantitative science. The document also summarizes Lavoisier's classification of elements into four groups: elastic fluids, non-metals, metals, and earths.