Theodore David Regehr was born in Coaldale, Alberta in November of 1937. He obtained his first History degree from the University of Alberta (1959), his second, a M.A., from Carlton University (1963)) and finally a Ph.D from the University of Alberta (1967). Regehr joined the faculty at the University of Saskatchewan in 1968 as Assistant Professor of History, became a Full Professor in 1975 and Head of the Department in 1976. He took early retirement in 1996. During his career at the U of S, Regehr taught a variety Canadian History courses to both undergraduate and graduate level classes. Many of his graduate students have gone on to distinguished careers. Prior to coming to the University of Saskatchewan, Regehr worked as an archivist at the National Archives of Canada (1960-1968) raising to Head of the Public Records Section (1965-1968). Among the several senior profession and academic positions he has held are: President of the Mennonite Historical Society of Canada; member of the Mennonite Central Committee's Historical Committee; Chairman of the University of Saskatchewan Faculty Association; President of Saskatchewan Association of University Teachers; member of the Council of the Canadian Historical Association; and founding Chairman of the Western History Section of the Canadian Historical Association. Author and editor of several books and numerous articles, Regehr is a leading authority in Western Canadian history, Canadian business history but is probably best known for his work on Canadian railway history.