Extras:

Speech given By Mr. Katz's brother at the funeral
Mr. Katz, on his death bed said to his brother "let them know what kind of person I was", This speech really does reveal the kind of person Mr. Katz was.

A letter from Mr. Katz to the 2006 classes at Plano East
this letter shows how good of a guy Mr. Katz really is, and how much he truly cares for his students