00 / 00 Discussing cats, dogs, humans with Jack Knowles ; part 1 BROADCAST: 1964 | DURATION: 00:27:00 Details Broadcast Date 1964 Physical Format 2 sound tape reels (ca. 60 min.) : 7 in. Duration 27 minutes Digital Format WAV Ownership The Chicago History Museum Language English Tags Knowles, Jack Audiotapes. Radio programs. WFMT (Radio station : Chicago, Ill.)