From 1740, he spent several years in Germany and France, studying at the University of Göttingen under Albrecht von Haller and also in Paris and Strasbourg. In 1743, during the War of the Austrian Succession, he was appointed acting chief surgeon at a French military hospital in Lauterbourg, Alsace.
During his time from 1740 to 1743, he studied extensively in Germany and France, including attending classes at the University of Göttingen under Albrecht von Haller and studying in Paris and Strasbourg. In 1743, during a significant conflict known as the War of the Austrian Succession, he was appointed acting chief surgeon at a French military hospital in Lauterbourg, Alsace.