Simplify the following text for a Grade 12 native English-speaking person.
Original: Andreas Nikolaus `` Niki '' Lauda ( born February 22 , 1949 in Vienna ) is an Austrian aviator , entrepreneur , former Formula One ( F1 ) racing driver and three-time F1 World Champion .
Simplified: Andreas Nikolaus `` Niki '' Lauda ( born February 22 , 1949 in Vienna ) is an Austrian former Formula One racing driver and three-time F1 World Champion .