Matti Ensio Nykänen () (17 July 1963 – 4 February 2019) was a Finnish ski jumper who competed from 1981 to 1991. Widely considered to be the greatest male ski jumper of all time, Boswell, Thomas (24 February 1988). "Another Jump Begets Gold for Nykanen". "The Washington Post". Fred Ryan. Retrieved 4 March 2017. Associated Press (24 June 1994). "Sports People: Ski Jumping; Nykanen Gives Up Comeback and Retires". "The New York Times". The New York Times Company. Retrieved 4 March 2017. Davies, Lizzy (28 December 2009). "Ski jump star suspected of trying to stab his wife". "The Guardian". Guardian Media Group. Retrieved 4 March 2017. Battersby, Kate (8 January 2010). "Life still all downhill for ski legend Matti Nykanen". "Daily Express". Northern & Shell. Retrieved 4 March 2017. MacArthur, Paul J. (September–October 2011). "Skiing Heritage Journal", p. 29, at Google Books. International Skiing History Association. Retrieved 4 March 2017.</ref> he won five Winter Olympic medals (four gold), nine World Championship medals (five gold), and 22 Finnish Championship medals (14 gold). Most notably, he won three gold medals at the 1988 Winter Olympics, becoming, along with Yvonne van Gennip of the Netherlands, the most medaled athlete that winter.