Johan George Cortlever was a Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 backstroke

Backstroke

The backstroke, also sometimes called the back crawl, is one of the four swimming styles regulated by FINA, and the only regulated style swum on the back. This has the advantage of easy breathing, but the disadvantage of swimmers not being able to see where they are going. It is also the only...

 swimmer and water polo

Water polo

Water polo is a team water sport. The playing team consists of six field players and one goalkeeper. The winner of the game is the team that scores more goals. Game play involves swimming, treading water , players passing the ball while being defended by opponents, and scoring by throwing into a...

 player who competed in the 1908 Summer Olympics

1908 Summer Olympics

The 1908 Summer Olympics, officially the Games of the IV Olympiad, were an international multi-sport event which was held in 1908 in London, England, United Kingdom. These games were originally scheduled to be held in Rome. At the time they were the fifth modern Olympic games...

 and in the 1920 Summer Olympics

1920 Summer Olympics

The 1920 Summer Olympics, officially known as the Games of the VII Olympiad, were an international multi-sport event in 1920 in Antwerp, Belgium....

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In 1908, he competed in the 100 metre backstroke

Swimming at the 1908 Summer Olympics - Men's 100 metre backstroke

The men's 100 metre backstroke was one of six swimming events on the swimming at the 1908 Summer Olympics programme. It was the only backstroke event on the schedule. It was the first appearance of the event, after a 100 yard event was held in 1904...

 competition, but he was eliminated in the first round.

He was part of the Dutch water polo team, which finished fourth in the 1908 tournament

Water polo at the 1908 Summer Olympics

At the 1908 Summer Olympics, a water polo tournament was contested.-Medal table:-Medal summary:-Belgium:* Victor Boin* Herman Donners* Fernand Feyaerts * Oscar Grégoire* Herman Meyboom* Albert Michant * Joseph Pletinckx...

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Twelve years later he was a member of the Dutch water polo team, which finished sixth in the 1920 tournament

Water polo at the 1920 Summer Olympics

-Medal summary:-Gold medal round:-Silver medal round:-Bronze medal round:...

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