niki lauda
Andreas Nikolaus "Niki" Lauda (22 February 1949 – 20 May 2019) was an Austrian Formula One driver and aviation entrepreneur. He was a three-time Formula One World Drivers' Champion, winning in 1975, 1977 and 1984, and is the only driver in Formula One history to have been champion for both Ferrari and McLaren, two of the sport's most successful constructors.