Stephen Ambrose,
Robert T. Bakker,
Peter Benchley,
Dennis Cardoza,
Nigel Dennis,
Gerald Durrell,
Mark Foley,
Jim Fowler,
Dave Freudenthal,
Bindi Irwin,
Steve Irwin,
Ron Kind,
Dan Lipinski,
Ben Nelson,
Bob Ney,
Jim Ramstad,
Ken Salazar,
Rick Schroder,
Mac Thornberry,
Stewart Udall,
Thom Yorke,