About David Massell David Massell is associate professor of history at the University of Vermont and the author of Amassing Power: J.B. Duke and the Saguenay River, 1897-1927. Books by David Massell Quebec Hydropolitics The Peribonka Concessions of the Second World War by (author) David Massell Amassing Power J.B. Duke and the Saguenay River, 1897-1927 by (author) David Massell