Preface.(Editorial)

It is with great pleasure that we offer this Festschrift to Will Lancaster--renowned teacher, researcher, writer, and editor--on the occasion of his seventy-fifth birthday. With a varied background of experience in industry, libraries, and research and development companies in the United Kingdom and the United States in what was then the emerging field of computer-based information retrieval, Wilf joined the University of Illinois Graduate School of Library and Information Science as an associate professor in 1970. Among his early responsibilities was managing a new biomedical librarianship program at the school to which he brought the experience of his several years as an information systems specialist at the National Library of Medicine. At the NLM, in the mid-1960s he had conducted …