|Date of birth||23 September 1929|
|Place of birth||Prince Albert, South Africa|
|Date of death||6 January 2019(aged 89)|
|Rugby union career|
In 1958, Claassen became captain of the South African National Team before a match against the French. In 1962, he led the South African team to a winning streak, including a major victory over the British and Irish Lions. In the 1970s, he became head coach of the South African team, known as the Springboks.
- "Former Springbok star lock and coach, dies". sport24. 7 January 2019.
- "Former Springbok captain Professor Johan Claassen passes away". The South African. 7 January 2019.
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