Thomas Johansson and Pieter Aldrich, share which occupation?
Pieter Aldrich Pieter ("Piet") Aldrich (born 7 September 1965) is a former professional tennis player from South Africa. A doubles specialist, he won 2 Grand Slam men's doubles titles (1 Australian Open and 1 US Open). Aldrich reached the World No. 1 doubles ranking in 1990.
Guido Alkemade Guido Antonius Gerardus Alkemade (born June 23, 1962, in Leiden) is a sailor from the Netherlands, who represented his country at the 1984 Summer Olympics in Los Angeles. With John Stavenuiter as helmsman, Alkemade took the 9th place in the 470. Four years later Alkemade returend as substitute, for the Dutch 470, to the 1988 Summer Olympics.