Interviewing Dr. Erna Gunther and Allen Wardwell BROADCAST: Mar. 28, 1964 | DURATION: 00:47:08 Digital audio not yet public. Synopsis Dr. Erna Gunther Details Broadcast Date Mar. 28, 1964 Physical Format 1 sound tape reel (ca. 60 min.) : 10 1/2 in. Duration 47 minutes, 8 seconds Digital Format WAV Ownership The Chicago History Museum Language English Tags Gunther, Erna Wardell, Allen Audiotapes. Radio programs. WFMT (Radio station : Chicago, Ill.)