Home › Authors › Graham C. D. Griffiths 👤 Graham C. D. Griffiths 1 book Biography Graham C. D. Griffiths (1937-2009) was a Welsh-Canadian entomologist and botanist. Books by Graham C. D. Griffiths Studies on the phylogenetic cl Studies on the phylogenetic classification of Diptera cyclorrhapha, with special reference to the structure of the male postabdomen 1971