“Your expertise is not just a resource but a catalyst for our students’ growth. They need to hear what the day-to-day experience in the workplace is like and what opportunities there are for their interests,” he said.

Author Gayle Soucek shared her knowledge of one of Chicago’s famous residents and his store with Sun City residents. Soucek is a historian and freelance editor with over a dozen books and numerous magazine articles.

I thought it was a logical question to ask, because if there is such an age, I must surely be creeping up on it — if I hadn’t already slid past it.

I freely confess that I’m an idiot, but I’m not stupid. My bike has flashing lights fore and aft, I wear a red helmet and sunglasses, and I’m dressed in either orange, yellow, or fluorescent green.