The German mycologist and winegrower Prof. Dr. Julius Wortmann (1856-1925) studied natural sciences in Berlin and Würzburg. In Würzburg he did his doctorate in 1879 with the topic "About the Relationships of the Intramoleculars to the Normal Respiration of Plants". As successor to Dr. Hermann Müller-Thurgau (1850-1927) from 1891 to 1903 he became head of the plant physiology test station and 1903 to 1921 director of the teaching and research institute in Geisenheim, In 1894 he founded the first yeast pure breeding station and headed it until 1924. His research focus was the fermentation physiology, their practical importance in relation to the quality of the wine odor and taste he recognized early on. He followed his later father-in-law Rudolf Goethe (1843-1911) chaired the Prussian Vine Processing Commission.
About Wortmann 's most important publications on pathology and physiology of plants, fermentation phenology and cellar management count “application and effect purer yeasts in the winemaking "(1895)," Studies on the bitter Will der Rotweine ”(1900),“ The Scientific Foundations of Winemaking ”(1905), and“ About the Influence of Temperature on the Smell and Taste of Wine ”(1906).