Michael Schumacher announces his retirement at the end of the season

Source: http://feedproxy.google.com/~r/F1InsightAFormula1Blog/~3/0n8ZGKl51g8/michael-schumacher-announces-his.html

Jody Scheckter Harry Schell Tim Schenken Albert Scherrer Domenico Schiattarella Heinz Schiller Bill Schindler