#1 George Green 1956- is the author of Hound.
#2 George Green 1949- is the author of Where to Watch Birds in Dorset, Hampshire & the Isle of Wight.
#3 George Green 1793-1841 is the author of An Essay on the Application of Mathematical Analysis. He worked as a miller as well as being a mathematician.
#4 George Green, author of Training & Development, runs a UK based training consultancy.