Conversation so far:
what was Norm O'Neill's greatest achievement?
Norm O'Neill's career peaked in 1960–61 when he scored 181 in the Tied Test against the West Indies, and at the end of the series, had a career average of 58.25.
What was Norm O'Neill's most notable match?
What age was Norm O'Neill at his peak?
Norm O'Neill was 23-24 years old at his peak.
Most interesting observations about Norm O'Neill's career?
Norm O'Neill was inducted into the Australian Hall of Fame by the CA in 2018.
Was Norm O'Neill a popular player with fans?
Norm O'Neill was regarded as one of the finest fielders of his era.

Question: How long did his career last?
Self-contained rewrite: How long did Norm O'Neill's career last?