 He died in 1965 of complications from byssinosis, a lint-born respiratory disease he contracted from years of sorting donated clothing at Pyramid Lake, and his cremated remains were buried at the Masonic Memorial Gardens cemetery in Reno, Nevada.In 2000, the first TV documentary on Hughes's life was produced by Nant Films in collaboration with Stephen Lyons, Hughes's biographer.The programme, in Welsh, was broadcast on S4C.