Greg Louganis.
greg louganis
Diver Pat McCormick who won the Olympic springboard competition in 1952 and 1956 and platform competition in 1952 and 1956.
Yvette Williams won gold in the long jump at the 1952 Games in Helsinki. She became the first New Zealand woman to win gold at the Olympics.
American Olympic diver Greg Louganis won gold medals at the 1984 and 1988 Olympic Games. One can find more information about Greg Louganis such as year and place of birth on the website Wikipedia.
From the research I have done, she won two. Both were at the 1952 Helsinki (summer) games 100m and 200m respectively.
Eamonn Coghlan won gold in the 5000 meter run at the 1983 World Championships in Helsinki.
Shooter Károly Takács of Hungary was 38 years old when he won gold in 25 meter rapid fire pistol at the 1948 Games in London and 42 years old when he won gold in the same event at the 1952 Games in Helsinki.
India won two medals at the 1952 Summer Games in Helsinki, a gold in field hockey and a bronze in men's bantamweight freestyle wrestling by Khashaba Jhadav.
That was Yvette Williams who won gold in long jump at the 1952 Games in Helsinki.
Shirley Strickland won her first Olympic gold medal in 80 meter hurdles at the 1952 Games in Helsinki. She then won gold again in 80 meter hurdles and in 4x100 meter relay at the 1956 Games in Melbourne.
That was at the 1952 Summer Games in Helsinki when she won gold in 80 meter hurdles, setting a world record at 10.9 seconds.