Nigel Collett is a biographer based in Hong Kong. Nigel Collett, a retired lieutenant-colonel of the British Brigade of Gurkhas now a biographer based in Hong Kong, is the author of The Butcher of Amritsar (2006), a life of General Dyer, perpetrator of the Amritsar massacre, and of Firelight of a Different Colour: the Life and Times of Leslie Cheung (2014).