Joel Salatin
June 25, 2004
Gene Logsdon
September 4, 2003
Robert Kennedy Jr.
September 16, 2002
Michael Pollan
December 17, 2001
John Scharffenberger
July 16, 2001
Eliot Coleman
February 19, 2001
Vandana Shiva
February 9, 2000
Rowan Jacobsen
February 9, 2000
Gary Nabhan
February 9, 2000
Eliot Coleman
February 9, 2000