July 1, 1999 — Ian Stewart
June 1, 1999 — Ian Stewart
May 1, 1999 — Ian Stewart
April 1, 1999 — Ian Stewart
March 1, 1999 — Ian Stewart
February 1, 1999 — Ian Stewart
January 1, 1999 — Ian Stewart
December 1, 1998 — Ian Stewart
November 1, 1998 — Ian Stewart
October 1, 1998 — Ian Stewart
September 1, 1998 — Ian Stewart
August 1, 1998 — Ian Stewart
July 1, 1998 — Ian Stewart
June 1, 1998 — Ian Stewart
May 1, 1998 — Ian Stewart
April 1, 1998 — Ian Stewart
March 1, 1998 — Ian Stewart
February 1, 1998 — Ian Stewart
January 1, 1998 — Ian Stewart
December 1, 1997 — Ian Stewart
