Constantine is also a former competitive sailor and Olympian, winning a gold medal in the 1960 Rome Olympics in
<unk> <unk> <unk> Along with his fellow crew members of the "Nireus" sailing vessel, he was named one of the 1960 Greek Athletes of the Year.<unk> Along with his fellow crew members of the "Nireus" sailing vessel, he was named one of the 1960 Greek Athletes of the Year.