|Date of birth||25 May 1936|
|Place of birth||Malang, Dutch East Indies|
|Date of death||5 February 1985(aged 48)|
|Place of death||Rotterdam, Netherlands|
His Anderlecht side won the 1976 UEFA Cup Winners' Cup with a 4–2 victory over West Ham United on 5 May 1976 at Heysel Stadium in Brussels. He also won the Belgian Cup in 1976 with Anderlecht. He left Belgium and moved to NEC, and coached the team until 1978. He later succeeded compatriot Kees Rijvers at Beringen, with whom he suffered relegation from the Eerste Klasse.
In 1995, it was reported that Croon was persuading players to take drugs during his short tenure at FC VVV. Then VVV player Mikan Jovanovic confirmed the report, stating he was one of three players to take performance-enhancing pills.
He died in February 1985 in a Rotterdam hospital at the age of 48 following a car crash near Arnemuiden a week earlier.
- "1975/76: Anderlecht win six-goal thriller". UEFA. 2001-08-17. Archived from the original on 2005-11-25. Retrieved 2008-03-09.
- Weiler in rijtje roemrijke coaches van paars-wit? - HLN ‹See Tfd›(in Dutch)
- Ook deze trainers degradeerden en wonnen een Europa Cup - AD ‹See Tfd›(in Dutch)
- 'Hans Croon zette spelers VVV aan tot dopinggebruik' - Trouw ‹See Tfd›(in Dutch)
- Column - Wie denkt er nog aan Shunyam Avyakul? - Voetbal International ‹See Tfd›(in Dutch)
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