Hengel, Martin (Personal Name)
Die Zeloten, 1961.
Der unterschätzte Petrus, 2006: title page (Martin Hengel) title page verso (born 1926; received his Ph. D. in 1959; professor of New Testament at Universität Tübingen; professor emeritus since 1992)
German Wikipedia, viewed August 22, 2019 (Martin Hengel; born December 14, 1926, in Reutlingen; died July 2, 2009, in Tübingen; German Protestant theologian and New Testament scholar; taught at Tübingen from 1972 to 1992)