Helfrich contested the 1952, 53 and 54 German Grands Prix. He took second at Le Mans in 1952 with Helmut Niedermayr.
Theo Helfrich died 43 years ago, he was 65
Walter Bäumer won the Mille Miglia in 1940 with Huschke von Hanstein. He died when his car door opened in a corner as he was being kissed by a girl. He fell out into a field, receiving a fatal wound in his neck from a sharp wooden object.