Heinrich Klockenhoff was born on 17 September, 1937, near Unna, North Rhine-Westphalia, Germany. He died 20 February, 1984 in Bonn, Germany. At the time of his death he was in the staff of the Koenig Research Institute and Museum. See below for further information.
Obituary:Rheinwald, G. 1984. Dr. Heinrich Klockenhoff. Bonner Zoologische Beiträge. 35 (1-3):1-4