57P/du Toit–Neujmin–Delporte ASU-57 Georgy Chulkov Mystical Anarchism Grigory Neujmin 1965 in science 1959 Kamchatka earthquake Jean-Louis Steinberg Yugoslav Ground Forces Ilyushin Il-2 65 Cybele List of Progress missions Russian names in space Cimoliopterus Ted Kennedy Light front quantization Jack Parsons Wankel engine