The book was based on an earlier "economic comic book" by the authors' father Irwin Schiff, titled How an Economy Grows and Why it Doesn't.
Irwin Allen | András Schiff | Steve Irwin | Robert Irwin (artist) | Robert Irwin | Bill Irwin | May Irwin | Irwin Shaw | Irwin M. Jacobs | Richard Schiff | Lew Irwin | Irwin L. Jacobs | Bob Irwin | Irwin Cotler | Frederick Irwin | Schiff base | Peter Schiff | Irwin Levine | Clint Irwin | Tevele Schiff | Stafford LeRoy Irwin | Richard Beebe in the original line-up of '''Lew Irwin and The Credibility Gap''' (left to right): John Gilliland | Moritz Schiff | Joseph Oscar Irwin | John N. Irwin, II | Irwin Winkler | Irwin Jacobs | Irwin Hoffman | IRWIN | Irwin |
Some protesters have claimed that statutes enacted by the United States Congress pursuant to its constitutional taxing power are defective, invalid (see e.g., the Irwin Schiff quote below), or that the statutes are misapplied by the Internal Revenue Service (IRS), the courts, lawyers, CPAs, law professors, and legal experts generally, and that the tax "protesters" are not liable for tax under the law (see below).