Only four athletes have won medals in both the Winter and Summer Olympics:
Eddie Eagan, USA–Light Heavyweight Boxing gold (1920) and Four-man Bobsled gold (1932).
Jacob Tullin Thams, Norway–Ski Jumping gold (1924) and 8-meter Yachting silver (1936).
Christa Luding-Rothenburger, East Germany–Speed Skating gold at 500 meters (1984) and 1,000m (1988), silver at 500m (1988) and bronze at 500m (1992) and Match Sprint Cycling silver (1988). Luding-Rothenburger is the only athlete to ever win medals in both Winter and Summer Games in the same year.
Clara Hughes, Canada—Individual Road Race Cycling bronze and Individual Time Trial Cycling bronze (1996) and 5,000 m Speed Skating bronze (2002).