About David Mittelstadt David Mittelstadt is a historian and heritage consultant based in Calgary. His previous books include Foundations of Justice: Alberta’s Historic Courthouses and People, Principles, Progress: The Alberta Court of Appeal’s First Century. Books by David Mittelstadt The Court of Appeal for Saskatchewan The First Hundred Years by (author) David Mittelstadt The Court of Appeal for Saskatachewan The First Hundred Years by (author) David Mittelstadt