Background
Petersen, Johannes was born on August 29, 1934 in Hörpel, Germany.
Petersen, Johannes was born on August 29, 1934 in Hörpel, Germany.
Dipl.Ing.Agr., Technology University Berlin, 1963. Dr.Agr., Technology University Berlin, 1969.
Assistant, Technology U. Berlin, 1969-1973; assistant professor Institute Animal Production, Technology U. Berlin, 1973-1977; professor, U. Bonn, since 1977.
Member World Poultry Science Association (president German branch since 1996).
Married Gertraud Hein, July 20, 1961. 5 children.