Congratulations to Jennica for finding Dinosaur #37!
The black and white picture is of Philo Farnsworth, who is credited with the invention of the television. His lab was located at 202 Green St, and today there is a plaque there:
Behind the plaque, hanging on a knot in a tree, was this tag:
On the back of this tag is a QR code. Scanning it brings up this video: