Waihanga i tētahi putanga matatini ake o tēnei rerenga Ralph Greenleaf (i whānau i te 3 o Whiringa-ā-rangi 1899 i Monmouth, Illinois, i mate i te 15 o Poutu-te-rangi 1950) he toa 20 wā o te Ao Pocket Billiard.
Ko te tikanga, ko te putanga matatini ake o te rerenga korero ko "Ralph Greenleaf (whanau i te 3 o Noema 1899 i Monmouth, Illinois, i mate i te 15 o Poutu-te-rangi 1950) he kaitakaro pirihimana ngaio o Amerika, he toa pirihimana Pocket Billiards o te Ao e rua tekau nga wa, ko tana kaha me tana karisma i kaha ki te hakinakina i te wa o tona wa nui. "