/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: EricSmith5 https://cdn.slidesharecdn.com/profile-photo-EricSmith5-48x48.jpg?cb=1523022249 Principal of Spring Garden Elementary School, Former Physics Teacher and Theatre Director of Liberty High School in Bethlehem PA. Former Supervisor of Science for Bethlehem.