After working as Senior research assistant for ASLIB (Associa- tion of Special Libraries and Information Bureaux), London, in 1962 he became Resident Consultant and head of the System Evaluation Group Herner & Co. He moved on to the National Library of Medicine, Bethesda, Maryland, to take over the post of information Systems Specialist from 1965 - 1968and from 1969 - 1970 he was Director oj : the Information Retrieval Services at the Westat Research Inc., Bethesda, Maryland.
In 1970 began his association with the University of Illinois, Urbana- Champaign, where he was Associate Professor for Library Science until 1972 when he became Professor for Library Science.
Many internationally recognized librarians shared their experiences and expressed their ideas on new developments and possibilities related to the information superhighway. Layout: Jeanette Sellinat Printed: Postberg Druck Gmb H, Bottrop This oublication is printed on permanent paper conforming to ISO (DIN-ISO) 9706.
19, is a member of the American Library Association.
The American Society for Information Science and "Phi Kappa Phi".
1975 Elected to "PHI KAPPA PHf\ University of Illinois chapter, 1971 Pap- r "MEDLARS: Report on the Evaluation of its Operating Efficiency" (first published in American Documentation .
April 1969) received "best paper" award in 1969 from the American Society for Information Science.