NORMAN R. BALL is Northern Telecom Professor of Engineering Impact on Society in the Department of Systems Design Engineering at the University of Waterloo.

WILLIAM RALPH CLARK is a forest economist at the Petawawa National Forestry Institute in Chalk River, Ontario, with a personal interest in human and natural history. He is also the great-great-great-grandson of Baron de Zeng, the central figure in his article.

NICOLE DORION est une ethnologue travaillant à la pige. Elle est détentrice d'une maîtrise en arts et traditions populaires de l'Université Laval.

DANIEL GALLACHER is Chief of History at the Canadian Museum of Civilization. His main interests are western industry and society.

NIELS JANNASCH is Director Emeritus of the Maritime Museum of the Atlantic.

A. J. B. JOHNSTON is a historian with the Canadian Parks Service, Fortress Louisbourg. He is author of Religion and Life at Louisbourg (1984) and Louisbourg: The Phoenix Fortress (1990).

PETER LOCKYER is a radio and television journalist. Formerly with CBC radio and television, he is now an Ottawa-based independent producer specializing in television documentary on Third World issues.

RHONDA MAWHOOD is currently completing an MA Thesis in history at McGill University on the topic of images of feminine beauty in Canada and U.S. magazine advertising from 1900 to 1940.

DIANNE NEWELL teaches history at the University of British Columbia. A past president of the Smithsonian-based Society for Industrial Archaeology, she has published widely in the fields of industrial archaeology, industrial history, and the history of technology.

DIANNE REID, an archivist at the National Archives of Canada from 1979 to 1989, is currently exhibition review editor for Archivaria.

JUDITH RYGIEL is a master weaver in the Ottawa area. She is the Eastern Ontario director of the Ontario Crafts Council.

LOUISE TROTTIER est conservatrice des collections reliées au secteur de l'énergie au Musée national des sciences et de la technologie, à Ottawa.

LUCE VERMETTE est historienne à la Direction des parcs et lieux historiques du Service canadien des parcs, à Hull.

GARTH WILSON is Curator of Marine Transportation at the National Museum of Science and Technology.