 From 1922 to 1934 he was the president of the International Falcon Movement-Socialist Educational International.From 1924 to 1933 he was the president of German Children's friend movement (ReichsArbeitsGemeinschaft der Kinderfreunde), now the Socialist Youth of Germany – Falcons.In 1933, when the organisation was forbidden, it united 130,000 children, 10,000 guides and 60,000 parents.