Denis Thorpe's best photograph: a brave boy's vaccination [https://www.theguardian.com/artanddesign/2020/jul/30/denis-thorpe-best-shot-a-child-in-1954-getting-a-diphtheria-vaccine?CMP](https://www.theguardian.com/artanddesign/2020/jul/30/denis-thorpe-best-shot-a-child-in-1954-getting-a-diphtheria-vaccine?CMP)