Лили Марлен
Reintgen started his radio career as early as 1935. Among other commands during WW-II he was in charge of the German Army's Soldatensender Radio Belgrade, situated in Belgrade, Yugoslavia. He is credited with making the tune "Lili Marleen" by Lale Anderson a war-time theme for troops on both sides by playing it every evening at 9.55 PM. He was portrayed by Herb Andress in Rainer Werner Fassbinder's film "Lili Marleen".