Related Program: WSIU InFocus Mike Baltz Commentary: The Legacy of John Muir By Kevin Boucher • Mar 9, 2020 Related Program: WSIU InFocus ShareTweetEmail Smooth Green Snake at SIU's Campus Lake. Photo taken September 28th, 2018. WSIU Kevin Boucher Listen Listening... / 5:55 An original commentary, written and voiced by Ornithologist Dr. Mike Baltz. In this program, the words written by Naturalist John Muir are read by Carbondale's John Wallace. Tags: NatureJohn MuirWSIU InFocusMike BaltzShareTweetEmailView the discussion thread.