Belgium competed at the 1960 Summer Olympics in Rome, Italy. 101 competitors, 93 men and 8 women, took part in 64 events in 16 sports.
Belgium competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 54 competitors, 51 men and 3 women, took part in 37 events in 12 sports.
Athletes from Trinidad and Tobago competed at the 1964 Summer Olympics in Tokyo, Japan. This marked the return of Trinidad and Tobago to the Olympic Games as a separate nation, after having competed as part of the British West Indies at the 1960 Summer Olympics. Thirteen competitors, all men, took part in ten events in four sports.
Pär Arvidsson is a former butterfly swimmer and 1980 Olympic champion from Sweden who became a successful businessman and entrepreneur after receiving an MBA from Harvard Business School in 1985.
Luxembourg competed at the 1956 Summer Olympics in Melbourne, Australia. 11 competitors, 10 men and 1 woman, took part in 22 events in 5 sports.
Luxembourg competed at the 1960 Summer Olympics in Rome, Italy. 52 competitors, 47 men and 5 women, took part in 48 events in 10 sports.
Monaco competed at the 1936 Summer Olympics in Berlin, Germany. The nation returned to the Olympic Games after missing the 1932 Summer Olympics. Eight competitors, all men, took part in five events in two sports.
Monaco competed at the 1952 Summer Olympics in Helsinki, Finland. Eight competitors, all men, took part in six events in two sports.
Claude Piquemal was a French athlete who mainly competed in the 100 metres.
Roger Beaufrand was the world's oldest Olympic gold medal winner, following the death of Pakistani Field Hockey player Feroze Khan in 2005 until his own death.
Roger John Leonard Sumich is a retired cyclist from New Zealand, who represented his native country at the 1984 Summer Olympics. There he did not finish in the individual road race. Sumich won the bronze medal in the same event at the 1982 Commonwealth Games in Brisbane, Australia.
Roger Ilegems is a retired track cyclist and road bicycle racer from Belgium, who was a professional rider from 1984 to 1991. He represented his native country at the 1984 Summer Olympics in Los Angeles, California, where he won the gold medal in the men's points race.
Roger Roland Verey was a Polish rower who competed in the 1936 Summer Olympics.
Roger Ducret was a French fencer who competed at the 1920, 1924 and 1928 Olympics. At the 1924 Summer Olympics he entered five events out of six and earned a gold or silver medal in each of them, winning individual medals in all three competitive fencing disciplines: épée, foil and sabre. During his times, only one fencer did better, the Italian Nedo Nadi won five gold medals at the 1920 Summer Olympics.
Roger Lespagnard is a former Belgian decathlete.
Steven Garrett Gregg was an American competition swimmer. He won silver medals in the 200 m butterfly event at the 1976 Olympics, 1975 Pan American Games, and 1973 and 1978 world championships. After graduating from North Carolina State University, he defended a PhD in exercise biochemistry and physiology at University of California, Berkeley, and eventually settled in the Chicago area with his family.
Roger Vachon is a French judoka. He competed at the 1984 Summer Olympics and the 1988 Summer Olympics.
Roger Haudegand was a French basketball player. He competed in the men's tournament at the 1952 Summer Olympics and the 1956 Summer Olympics. He was inducted into the French Basketball Hall of Fame in 2012.
Roger Antoine was a French basketball player. He competed in the men's tournament at the 1956 Summer Olympics and the 1960 Summer Olympics. He was inducted into the French Basketball Hall of Fame in 2004. He was inducted into the French National Sports Hall of Fame in 2008.
Roger Clifford Capey was a New Zealand field hockey player. He competed in the men's tournament at the 1968 Summer Olympics.
