Ive been a pizza fanatic for years, I know everything there is to know about it, Do you like pizza? 
I love pizza especially Chicago style deep dish.
Me too!! Id say deep dish pizzas from Chicago are the most famous known deep-dish pizza.s out there. Dont you agree? 
I do, too.  I can't remember if Lou Malnati or another kind is the most famous in Chicago.
Lou Malnati's Pizzeria
Lou Malnati's Pizzeria is an American Chicago-style pizza restaurant chain headquartered in Northbrook, Illinois. It was founded by the son of Rudy Malnati, who was instrumental in developing the recipe for Chicago-style pizza, and it has become one of the Chicago area's best-known local lines of pizza restaurants. Lou Malnati's operates a division of its company called Lou Malnati's Presents Tastes of Chicago, a partnership with Portillo's Restaurants and Eli's Cheesecake, which ships Chicago-style
Chicago-style pizza
Chicago-style pizza is pizza prepared according to several different styles developed in Chicago. The most famous is deep-dish pizza. The pan in which it is baked gives the pizza its characteristically high edge which provides ample space for large amounts of cheese and a chunky tomato sauce. Chicago-style pizza may be prepared in deep-dish style and as a stuffed pizza.
Deep-dish pizza.
According to Tim Samuelson, Chicago's official cultural historian, there is not enough documentation