He ultimately settled in Romania (1904) having inherited his father's estate near Mangalia. In 1913, his property, valued at some 40,000 United States dollars at the time, was home to Leon Trotsky when the latter visited the Balkans as a press envoy during the Balkan Wars. He was usually present in Bucharest on a weekly basis, and started an intense activity as a journalist, doctor and lawyer. The Balkans correspondent for "L'Humanité", he was also personally responsible for reviving "România Muncitoare", the defunct journal of the Romanian socialist group, provoking successful strike actions which brought him to the attention of officials.