Ever since Kevin Schramer started playing pinball in the 1970's, he noticed that many machines listed their manufacturing addresses in the Chicago region. The addresses have kept him wondering for decades, so when he learned about Curious City, he just had to ask:
Why was the Chicago area home to all the major pinball manufacturers during the heyday of pinball?
Full story here: http://www.wbez.org/series/curious-city ... try-110175