Johannes Hallmann

Johannes Hallmann (born February 23, 1964, in Zeven, West Germany) is a German agricultural scientist of phytomedicine. He is a scientific adviser at the Julius Kühn-Institut, the Federal Research Institute for Cultivated Plants, the Institute for Epidemiology and Pathogen Diagnostics in Münster, the University Professor for Nematology and the President of the German Phytomedicine Society. Provided by Wikipedia