He developed an interest in Natural History, exploring the Rhine plain of Alsace, and the nearby Vosges mountains. At the age of 17, to avoid conscription into the German army, he escaped to Lyons, in France. There he began studies in pharmacy at the University of Lyons, and obtained a degree in sciences naturelles in 1918.\r\nHe obtained his doctorate under Professor Marie Antoine Alexandre Guilliermond, then head of the Department of Agricultural Botany, at Lyons.
Following his studies, hist first position was as an organic chemistry technician in the Faculty of Medicine and Pharmacy. There he produced his first publication in 1919 in the Bulletin de la Société Botanique de France, an account of his exploration at Grande Chartreuse.\r\nHe began working as a pharmacist in 1920 and within a year had had six papers presented at the Académie des Sciences by Gaston Bonnier. In 1921 he was appointed as a lecturer in the Faculty of Pharmacy at the University of Montpellier.
Within five years he had been appointed head of the botany department at the Institut scientifique de Rabat in Morocco (1926–1936).\r\nReturning to France he was, for a short time, professor at the Faculty of Science at Clermont-Ferrand, before once more taking a position in Montpellier, succeeding his step-father, Charles Flahault as head of the botany department (Directeur de l"Institut botanique de l"Université et du Centre d"Etudes phytosocio-logiques de Montpellier). There he worked closely with Josias Braun-Blanquet, also a student of Flahault. He remained in that position until his death at Street Sulpice in Savoie in 1969.\r\nLouis Embeerger is the authority for 168 taxa, such as Agropyron pseudofestucoides Embassy.