What event caused Bruce Biddle to retire from professional cycling in 1979?
Reference
Moonshot's Answer
Bruce Biddle retired from professional cycling in 1979 due to being run over by a lorry, which took him many months to recover from and ultimately led to his decision to retire from the sport at the end of that year. This information is supported by the Wikipedia page on Bruce Biddle, which states, "In 1979 Biddle was run over by a lorry and it took him many months to retire. This crash was one of the reasons he retired from the sport at the end of the ..." Source.