Theophilus Van Kannel
by Hanna Knoll
1. Theophilus Van Kannel's Life Story
1.1. https://docs.google.com/a/msdsc.us/document/d/16c1PzqbQMB5uqxkmOBEy0Ib1mkoEZdnfuZZCFYl2Mm4/edit
2. The Revolving door
2.1. http://99percentinvisible.org/wp-content/uploads/2013/11/van-kannel-1-1.png
3. Theophilus Van Kannel
3.1. http://media.philly.com/images/8513_vankannel_600.jpg
4. Revolving Door Video
4.1. https://www.youtube.com/watch?v=HeafsydZaV4
5. Theophilus Van Kannel's Invention
5.1. https://docs.google.com/a/msdsc.us/presentation/d/18yWWf6vFpbuTvfJgD3RtBke2fsEAD9XKKBbaF1rHVJ0/edit#slide=id