Before revision: The Vienna Committee, led by Frédéric Jules Sichel, with Dr. Félix Giraud-Teulon and Dr. Louis de Wecker, postponed the Congress due to political unrest during the Unification of Germany and moved it to Paris .
After revision: The Vienna Committee, led by Frédéric Jules Sichel, with Dr Félix Giraud-Teulon and Dr. Louis de Wecker, postponed the Congress due to political unrest during the Unification of Germany and moved it to Paris .