Mikhail Alekseev, Ekaterina Breshko-Breshkovskaya, Alexander Guchkov, Peter Kropotkin, Vasily Maklakov, Pavel Milyukov, Vladimir Nabokov, Georgy Plekhanov, Mikhail Rodzianko, Pavel Ryabushinsky, David Ryazanov, Sergey Salazkin, Irakli Tsereteli, Vasily Shulgin, Vadim Rudnev also spoke at the meeting.