It is with regret that I inform you that Martin sadly died on the 8th September 2022.
An obituary was posted in The Guardian late November as below which the family are happy for me to share to all.
https://www.theguardian.com/world/2022/nov/28/martin-barker-obituary
On behalf of Bancroft’s and the Old Bancroftians’ Association our sincere condolences to Judith and the family.