La·voi·sier (lä-vwä-zyā), Antoine Laurent 1743-1794.
French chemist who isolated the major components of air, disproved the phlogiston theory by determining the role of oxygen in combustion, and devised a system of chemical nomenclature. Lavoisier was executed during the Reign of Terror.
(click for a larger image)Antoine Lavoisier
colored engraving after
a 1788 painting by
Jacques Louis David
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