Carl (Karl Leopold) FURTMÜLLER, b. on August 2, 1880 in Vienna, the son of Joseph Furtmüller (employee of a trading company) and his wife Caroline b. Biermann, after passing his final exams, studied at the Schottengymnasium in Vienna 1, Freyung 6, 1898 German Studies, Philosophy and French at the University of Vienna. On December 19, 1902, he graduated from the Faculty of Arts of the University of Vienna with a degree of Dr. Ing. phil. in German Studies (Dissertation: 'The theory of the epic with the brothers Schlegel, the classics and Wilhelm von Humboldt.'). Since 1901 he taught as an assistant teacher at the Sophiengymnasium in Vienna 2, Zirkusgasse 48 and passed between 1903 and 1908 teaching examinations for the main subjects German (with Greek and Latin as minor subjects), philosophy and French.
1908/09 returned the couple Furtmüller back to Vienna, where he taught until 1914 at a secondary school.
Carl Furtmüller made friends with Alfred Adler and was introduced by him in the fall of 1909 to the "Wednesday Society", Sigmund Freud's Psychoanalytical Association. After Adler's separation from Freud in 1911, Furtmüller was his most important collaborator in setting up the individual psychology school, around 1914 when the "Zeitschrift für Individual psychologie" was founded.
After four years of military service in the First World War, he was a leader in the reform of secondary schools under the Social Democratic Education Minister Otto Glöckel involved, who appointed him in 1919 in the reform department of the Ministry. After the Social Democratic Party resigned from the government in 1920, Glöckel became president of the Vienna City School Council and Furtmüller followed him in 1922 to the Vienna School Board, where the educator and psychologist took over the post of provincial school inspector and continued to actively promote the school reform with individual psychological and social goals.