After the end of the Second World War, in June 1945, he was brought by British occupation officers to the former site of the governmental broadcast station. There, in September 1945 he was one of the founders of the Nordwestdeutscher Rundfunk (Northwest German Broadcasting). As a journalist, Eggebrecht was one of the pioneers of the radio documentary. From 1963-1965 he reported on the Frankfurt Auschwitz Trials.