David A. Lanegran is professor and chair of geography at Macalester College. He is the author and coauthor of several books on the history and geography of the Twin Cities, including Grand Avenue: The Renaissance of an Urban Street (1996). Before his death in 1982, Ernest R. Sandeen was the James Wallace Professor of History and codirector of the Living Historical Museum at Macalester College. He served as a member of St. Paul's Historic Preservation Commission and as a partner in Lanegran, Richter, and Sandeen, an architectural preservation, design, and land-use firm.