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The rise and fall of Prof Jason Arday has been one of the most dramatic in the history of British academia. Diagnosed as autistic as a child, he says he was non-verbal until he was 11 and only learned to read and write at the age of 18. Less than 20 years later he was appointed the youngest black professor in Cambridge University’s history.
His resignation on Wednesday followed two weeks of intense scrutiny. He has been accused of plagiarism in his academic work and questions have been raised about a long line of claims about his backstory, from endurance running, footballing exploits and charity fundraising to academic positions, qualifications and authorship.
Here is a rundown of the questions being asked.
Plagiarism
Arday first faced allegations that he plagiarised parts of his PhD thesis and other academic research late last year. He has rejected the claims. The Telegraph reported that analysis had found more than 100 passages in his PhD were similar to another thesis by Paula Zwozdiak-Myers, a student at Brunel University of London, published six years previously.
An earlier investigation by Liverpool John Moores University, which awarded his PhD in 2015, did not uphold the charges of plagiarism but said they were probably caused by “honest and reasonable error”.
Arday told the Guardian last week: “There have been multiple thorough investigations across several institutions as a result of the allegations, and immense scrutiny, including with an academic misconduct panel who concluded that there was no plagiarism or academic misconduct.”
There have been growing calls from other academics to re-examine his PhD.
Arday has also faced claims that some of his more recently published work is flawed. The Times published analysis on Wednesday that found some of his research contained “impossible” evidence and was littered with inconsistencies. Two corrections have previously been made to papers he released in 2018 and 2020.
Academic posts and achievements
Arday has claimed to have held a number of prestigious visiting fellowships and professorships at other universities.
The website for Jesus College, where Arday was a fellow, stated that he had been a visiting professor at the Ohio State University in the Office of Diversity and Inclusion and the University of Glasgow in the School of Education. Both universities denied this.
The biography also stated that Arday was still an “honorary professor at Durham University in the department of sociology”, where he had previously worked. The university told the Daily Mail that he no longer held any role at the institution.
Arday has also claimed to have completed a master’s in psychodynamic practices at Birkbeck, University of London, and afterwards became a fully qualified counsellor, which gave him a “rich understanding of mental health”.
However, when the Guardian contacted Birkbeck, the university said it had not been able to find records of a student named Jason Arday having studied there.
Arday has claimed to have published a book called Being Young, Black and Male: Challenging the Dominant Discourse, with Palgrave Macmillan. The publisher subsequently confirmed that it took a proposal from Arday but the book was never published.
Sport
Arday claims in his book to have run 30 marathons in 35 days to raise money for charity. In 2012, when Arday met the tennis star Andy Murray, he told him he had had an epileptic seizure during one of the marathons and fractured his leg. Despite that incident, Arday claimed to have run nine more marathons to complete the challenge.
Doctors have told the Guardian that running nine marathons with a hairline fracture in a fibula would be incredibly painful, though technically not impossible. In his forthcoming memoir, Arday says he completed the distance by taking painkillers and despite his right leg swelling to twice its normal size. He said in a 2012 interview that he had used ice baths to ease the pain between his runs.
He also claimed at public events to have run 600 miles in six days, an achievement that would make him one of the world’s most gifted endurance runners. (The first woman to achieve the feat, Megan Eckert, only managed it last year; the men’s record is 650 miles.)
He said because of the “cumulative wear and tear of training” from his previous running challenges, he “had to put rest days in between the running days just to finish” the 600-mile challenge, which was actually completed over a 12-day period.
Questions have also been raised about Arday’s claims in 2024 to have played for Crystal Palace as an under-18. He told the Talking Matters podcast he spent “a handful of years” at the club before going on to play semi-professional football for 12 years.
Crystal Palace said it did not have records dating back to the late 1990s and early 2000s when Arday would have been on its books. It has been reported that Arday did play for Lewisham Borough in the Southern Counties East Division One, which is near the bottom of the non-league pyramid.
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Charitable work
As well as his endurance running claims, Arday has said he has completed other charitable work over the past two decades.
He has claimed in media interviews to have raised £5m for charities over a 20-year period (sometimes this figure has risen to £5.5m). As his critics online have pointed out, £5m raised for charity would be a staggering amount for someone who is not famous. In 2012, Arday said he hoped to raise £250,000 by the time he was 50.
When asked if the £5m figure was accurate, Arday told the Guardian the money had been raised with the help of “many fundraising collectives over a two-decade period”.
He has also said he is part of a 100-person syndicate. When asked to identify other people who took part in these efforts, Arday said he had signed NDAs preventing him from disclosing that information.
Arday claimed to have visited South America and west Africa to install water points with the charity WaterAid. The charity said “out of respect for the people we work with” it never sent its volunteers abroad. WaterAid added that it “doesn’t encourage or facilitate self-funded visits either”. In Arday’s memoir he mentions going to Brazil to install a well, but does not mention WaterAid.
Intimidation
Arday has undoubtedly been the victim of racist abuse. Cambridge has previously said it was forced to screen the academic’s emails.
In a letter to the government minister Jacqui Smith in July 2025, which outlined Arday’s experiences, he claimed to have been “threatened with a knife, physically assaulted and spat on; [had] rape and death threats being made to him and his family; bananas and bullets being posted to him via the university campus; and corrosive substances and mutilated animals sent to his family home”.
In a subsequent interview with the Guardian, Arday claimed to have been confronted at his faculty building on two separate occasions by a masked man, who threatened to harm him if he did not resign and evaded detection both times. On the second occasion Arday said the intruder had produced a knife and threatened him with it.
The intruder was not picked up by CCTV on either occasion and no one in the faculty reported seeing anyone suspicious. Arday did not report either intrusion at the time, telling the Guardian that after the second incident he continued his working day. He did not inform colleagues that a masked man with a knife was in the faculty building.
Arday confirmed in an interview with the Guardian that the “mutilated animals sent to his family home” mentioned in the open letter was a severed pig’s head, delivered to his parents’ home address in south London.
In a subsequent interview he claimed the police investigated, checking with butchers in south London if they had sold a pig and eventually finding one that had sold a “whole hog” on the morning the head was left outside the family home.
When the Guardian checked those details with the local butchers, they said no police officer had asked about a pig.
When the details Arday gave about the pig’s head investigation were checked by London’s Metropolitan police, the Guardian was told they were “categorically” incorrect and no investigation had taken place.
Arday reported a journalist investigating claims against him to the police. Jack Grove, a reporter at Times Higher Education, approached Arday with a 63-page report detailing alleged plagiarism. In a piece for the publication, Grove wrote that he “submitted only three polite emails” but received in response a threatening letter from Arday’s solicitors.
Four months later he was phoned by a Metropolitan police officer to say they were closing the complaint against him – a complaint he did not know had been made.
“Were my inquiries grounds for a criminal complaint? That was hugely troubling to me as a reporter who specialises in examining issues of research integrity and ethics,” Grove wrote.
