Horst-Günter Gregor (24 July 1938 – 25 April 1995) was a German swimmer.He competed in the 1964 and 1968 Summer Olympics and won three silver medals in relay events.From 1979 to 1992 he was director of the State Secretariat for Physical Culture and Sports, and then chairman of the Saxon Swimming Association.[3] This article about a German Olympic medalist is a stub.You can help Wikipedia by expanding it.This biographical article related to a German swimmer is a stub.