Louis Jacques Thénard was a French chemist. He is the co-discoverer of boron and discoverer of hydrogen peroxide
Louis Jacques Thénard
Traité de chimie élémentaire, théorique et pratique, 1817
Antoine François Fourcroy was a French chemist and a contemporary of Antoine Lavoisier. Fourcroy collaborated with Lavoisier, Guyton de Morveau, and Claude Berthollet on the Méthode de nomenclature ch
Louis Jacques Thénard
…allowed him to be educated at the academy at Sens. He then went at the age of sixteen to study pharmacy in Paris. There he attended the lectures of Antoine François Fourcroy and Louis Nicolas Vauquelin. He was allowed into Vauquelin's laboratory even though he was unable to pay the monthly fee of 20 francs, due to the…
Fourcroy with the first volume of his book Systeme des connaissances chimiques, painted by François Dumont c. 1800
A marble bust of Fourcroy designed by Antoine-Denis Chaudet and completed by Pierre Cartellier in 1811.
Portrait by Lemmonier in the Museum of the History of Medicine, Paris
Title page of a 1787 copy of "Méthode de Nomenclature Chimique"