Chicago couple Barbara Koenen and Tim Samuelson have for many years sent homemade calendars as holiday gifts. They would cut and paste together pages with an eclectic assortment of birthdates — of ...

A large, metal panel the color of molasses sits on a ledge — alongside pieces of the Wrigley Building and Navy Pier discarded during restorations — in a hallway leading to the office of Tim Samuelson, ...