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<jats:p>The historiography of life, work and visions of Jakob von Uexküll (1864–1944) has grew up during the last years. But up to now lifes of his important followers in science are still unknown. This article ist devoted to life and work of Lothar Gottlieb Tirala (1886–1974), who studied psychology and medicine in Vienna and started cooperation with Uexküll in 1914. They stayed in contact during the following decades, although Tirala began a career in race hygiene and neo-darwinistic scientific thought. He organised the contact between Uexküll and Houston Stewart Chamberlain and got support from the Wagner-family in 1933 to become professor for race biology in Munich. After his booting out in 1936 because of massive faults in teaching Tirala changed his scientific interests and began to stretch Uexkülls “Reflexlehre” into healing of blood pressure diseases in men. He became a favourite researcher in German natural cure community after 1945. Even today his studies are integrated in efforts to fight hypertonia.</jats:p>