World Esperanto Association
On 24 May 1930 he, , and her husband founded the Internacia Esperanto-Instituto. As a result, the World Esperanto Association became dissatisfied with him, and he was not permitted to participate in the 1931 World Congress in Krakow. In 1932, he founded and became the editor-in-chief of the Esperanto magazine "La Praktiko", which was published until 1970. (In its later years, starting in 1964, the magazine was run by the World Esperanto Association.)