Crowther is a surname, derived from the old Welsh musical instrument the crwth. Notable people with the surname include: Arnold Crowther (1909–1974), English stage-magician, puppeteer, and promoter of Wicca religion. Antony Crowther (born 1965), British computer programmer. Bosley Crowther (1905–1981), American film critic. Charles Crowther (1831–1894), Australian politician (Western Australia) Edward Lodewyk Crowther (1843–1931), Australian politician (Tasmania), son of William Lodewyk Crowther. Emlyn Crowther (born 1949), New Zealand drummer.
https://en.wikipedia.org/wiki/Crowther