Dennis Roy Cullimore, who was born on April 7, 1936, attended St. Andrews Church of England Primary School and Southfield Grammar School in Oxford, England. At the University of Nottingham he earned a B.Sc.(Hons.) in agricultural microbiology in 1959 and a Ph.D. in 1962. In that year he joined the University of Surrey as an Assistant Lecturer in Microbiology and remained there until 1968 when he emigrated to Canada and took up a post as Assistant Professor of Microbiology at the University of Saskatchewan, Regina Campus. He was promoted to Associate Professor in 1969 and to full professor in 1974, in which year he became Director of the Board of the Prairie Institute of Environmental Health. In 1975 Dr. Cullimore was appointed director of the Regina Water Research Unit. He is the author of numerous scholarly articles relating to water microbes and bacteria, and he has published a humorous book of captioned cartoons, 'A Survey of the Uses and Abuses of the Prairie Elevator' (Winnipeg: Frye Publishing, 1983). In recent years he has become well-known as a member of the research team studying the wreck of the sunken ship Titanic. He is also a principal in Droycon Bioconcepts Inc., a firm consulting on microbiol/environmental issues and biodetection systems. Dr. Cullimore and his wife have two children.