 Nazi Germany invaded the Sudetenland, which formed the natural borders of Czechoslovakia, on Oct. 1, 1938.Bauer and the von Kahlers fled for Paris separately and later met again in Paris, where Maria von Kahler joined him to work for the underground Austrian Freedom Broadcasting Station in Fekamp, Normandy from 1939 to 1940.Bauer was director of the Austrian Freedom station, broadcasting from Normandy until just before France was invaded in the spring of 1940.