Antonio Lechasseur is an historian and archivist. He spent most of his career at Library and Archives Canada (LAC) where he occupied different senior executive positions like Director of Researcher Services Division, Director of the Social and Cultural Private Archives Division and Associate Director General of the Policy Branch. Early in his career, he taught history at university and worked at the Institut québécois de recherche sur la culture (IQRC), while publishing extensively on the history of the Lower St. Lawrence region in Quebec. In the different positions he occupied at LAC, he initiated and contributed to a variety of research projects in archival studies. His professional involvement includes serving as vice-president and then president of the Association of Canadian Archivists (ACA) in the mid-1990s, and on professional committees of the International Council on Archives (ICA) and the International Federation of Library Associations and Institutions (IFLA). In the field of music history, he is keenly interested in the baroque keyboard repertoire. He recently commissioned a small tracker organ and is presently pursuing personal research on the role played by some Canadian musicians, like Kenneth Gilbert, in the early music revival movement in the XXth Century. During the last few years, those interests have led him to work closely with members of the Faculty of Music at McGill University who are involved in the development of new knowledge relative to that universal heritage.