Leutnant Friedrich "Fritz" Rumpelhardt, Heinz Schnaufer's radar operator, has died, age 90. Rumpelhardt guided Schnaufer through 100 victories at night. He was awarded the Knight's Cross on July 27, 1944. Fritz Rumpelhardt (June 19, 1920 - January 20, 2011) Sala de Guerra: Nota de Falecimento: Fritz Rumpelhardt