Tweet Today’s post is the second half of my conversation with local historic preservation architect Don Ryden and the author of Midcentury Marvels. If you missed part I, don’t forget to go back and take a look! Blooming Rock: You had mentioned the idea of communal memory at your lecture for the release of Midcentury Marvels at the Phoenix Council Chambers. Can you talk a little bit about this concept? Don Ryden: Communal memory is one of the reasons we deal with historic preservation. In the lecture I said it’s either love, money, or duty (why we preserve historic buildings)….