 Besides his contributions to the primary literature of these fields of research, he served on editorial boards of sixteen journals, he was the editor of two journals, and he edited a half dozen books on drug delivery, most influentially perhaps his 1978 volume “Sustained and Controlled Release Drug Delivery Systems”.He held over two dozen patents on delivery systems, and founded two companies in order to transform his ideas into practice.He also served on the boards of directors of numerous pharmaceutical companies.