Philadelphia in 1960

A bid to hold the 1960 Worldcon in Philadelphia. It lost to Pittsburgh in '60 at site selection at Detention. (See 1960 Site Selection results for details.) Its competition was DC in 1960, Pittsburgh in '60 and Chicago in '60.

Its ad in the Detention PR 1:
This is a bid page. Please extend it by adding information about who was bidding, officers, committee list, what they were bidding for, who their opponents were, and anything notable about the bid, etc.