Wrigley Field historical sleuthing: The fan on the bleacher wall

This photo shows you one of the reasons the Cubs eventually made the top of the bleacher wall pointed, and put in a basket. Fans would, on occasion, walk or run on top of the wall. I’m pretty sure you can see the danger in doing this.

To show you how I began to sleuth this, here’s the full photo:

A good clue to the date here is the scorecard visible at the bottom. I asked Mike Bojanowski to enhance the image to try to get more information from the card, and he told me it says the Cubs were playing the Reds.