Moshe Arens, the author of numerous works on the Revisionist underground in the Warsaw Ghetto Uprising maintains that the "ZZW was led by Pawel Frenkel, a member of the Revisionist Youth Movement, Betar; Leon Rodal, a member of the Revisionist movement, and David Apfelbaum, a former officer in the Polish Army who was an adherent of Zeev Jabotinsky." After his death command of AK promoted him to the rank of Major in the Polish Army. In 2004, the mayor of Warsaw Lech Kaczyński had a square named for Apfelbaum in the city's Wola district.