Chicago restaurant owner Jeff Himmel, 62, of Bravo Restaurants Inc. and owner of the Gino's East, Ed Debevic's and Edwardo's restaurant chains is among the subjects interested in making a bid for Giordano's, the Chicago-based deep-dish pizza chain that filed for bankruptcy February 2011. The Giordano's chain is expected to be sold for about $40 million. Giordano's main creditor, Fifth Third Bank, is owed $45.5 million.