Christian Streffer, German medical educator, medical administrator, scientist. Recipient Holthusen Ring German Roentgen Society, 1970, Roentgen medal City of Remscheid, 1985. Member of International Association Radiation Research (councillor), International Committee Radiological Protection, European Society Radiation Biology (president 1994-1995), Radiological Society (honorary).
Research assistant University Freiburg, 1964-1971, from associate professor to professor medical radiobiology, 1972—1974. Dean Medical Faculty University Essen, Germany, 1976-1977, 81-83, rector, 1988-1992. Chairman Board Radioprotection, Bonn, Germany, 1984-1985, 92-93.
Chairman supervisory board Evangelisches Hospital, Essen-Werden, Germany, since 1992.