Both brothers were regulars on the BBC show Record Breakers. They were noted for their photographic memory, enabling them to provide detailed answers to any questions from the audience about entries in the Guinness Book of Records.
After Ross's death, Norris McWhirter continued to appear on the show, eventually making him one of the most recognisable people on children's television in the 1970s and 1980s. McWhirter was made a CBE in 1980.
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