Together with Peter Mander, Cropp won the Sharpie class at the 1956 Olympics.

They finished second, and were promoted to the first place after Australian team was disqualified for obstruction.

Cropp initially worked as a lithographer in the printing industry, but after becoming a prominent sailor turned into a professional boatbuilder and designer.

In 1973 Cropp, his wife Judith and their three children moved to Tākaka, where he died aged 89.

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