Jason Arday became a poster boy for diversity as the university's youngest black professor, but is now facing questions about his academic record and bizarre claims

A Cambridge professor embroiled in a plagiarism row seemingly claimed he was in TV series Seven Up – then backtracked when told it was broadcast decades before he was born. 

Jason Arday became a poster boy for diversity as the university's youngest black professor, but is now facing questions about his academic record and bizarre claims.

Critics have accused the 41-year-old of taking chunks of his PhD thesis from research by another student, leading him to last week admit a series of errors in his work.'