Paul Freiherr von Eltz-R Ã 1\/4 benach ( 9 February 1875 in Cologne - 25 August 1943 in Linz am Rhein ) was minister of mail and minister of transport . Paul Freiherr von Eltz-R Ã 1\/4 benach ( 9 February 1875 - 25 August 1943 ) was Minister of Mail ( Reichspostminister ) and Minister of Transport ( Reichsminister fÃ 1\/4 r Verkehr ) of Germany between 1932 and 1937 .