1990 Harris Vistors
1990:
Profs. Norbert Frei and Hans Woller (Institut für Zeitgeschichte, Munich) and Arnold Sywottek (Univ. of Hamburg) - (History Conference, May (3 days)
Prof. Karl-Friedrich Knoche (TU Aachen) - Summer Term (1 month,Thayer School of Engineering)
Prof. Hartmut Schulz (Univ. of Bochum) - Fall Term (Physics and Astronomy)
Prof. Dieter Mahncke (Defense Ministry, Bonn) - Fall Term (2 weeks, Government)