P. Felix Ganz (January 23, 1922 – September 5, 1990), of Chicago, Illinois, was a student and collector of postage stamps and postal history as well as an officer of several major philatelic organizations.
As well as serving as the editor of the journal Tell, Ganz authored numerous philatelic articles.
A collection of his articles in Tell were later printed by the American Helvetia Philatelic Society in book form as Postal Cancellations and Markings in Switzerland.
In addition Ganz for many years wrote a column called Brief aus Chicago in the Berner Briefmarken Zeitung.
Ganz also served on the philatelic exhibition AMERIPEX in 1986 as commissioner coordinator.