Fred Tschopp. a Swiss-American landscape architect practised in both New Zealand and America from the 1920s to 1970. While in New Zealand (1929-1932). Tschopp worked in Auckland. https://www.bekindtopets.com/limited-stock-Original-U-S-Vietnam-War-Era-Operation-Igloo-White-Seismic-Sensor-Inert-Rocket-great-price/