Conservation architect Sir Donald Insall dies aged 100

Sir Donald Insall, architect specialising in conservation, the repair and reuse of old buildings, who led the teams restoring Windsor Castle in Berkshire after its 1992 fire, has died aged 100. Donald Insall Associates, the practice he founded in 1958, announced his death in a statement, Dezeen reported. He was also a founding commissioner of English Heritage, England's historic-sites charity.