I can't help with the whereabouts of Howard Harris or John Stone but I do have a complete set of Wide Wheels.

The first edition was dated May 1969 and ran through to April 1972 when it changed its name to Driver - not to be confused with Allan Dick's New Zealand Driver magazine.

The 35th and last edition came out in October 1972.

The magazine was not published in June & December 1969 and January, April, July, September and October 1970.