Simplify the following text for a Grade 8 native English-speaking person.
Original: Karl Jochen Rindt ( April 18 , 1942 Mainz , Germany - September 5 , 1970 Monza , Italy ) was a German racing driver who represented Austria during his career .
Simplified: Karl Jochen Rindt ( born April 18 1942 in Mainz , Germany -- died September 5 1970 in Monza ) was an Austrian racecar driver .