/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: PhilipCheiffetz https://cdn.slidesharecdn.com/profile-photo-PhilipCheiffetz-48x48.jpg?cb=1522973276 Philip Cheiffetz BA MsEd (++)SUNY '60, Canisius & Niagara U. (Ed. 1962--1998) retired in Sarasota Fl. Educ. 40 Yrs. Academy of Advanced Science & Mathematics -at Canisius College Buffalo NY