Looks like the Arthur A. Cavallo that I studied under. It even looks like his garage dojo in Romulus.
Thank you so much for sharing! The more I learn about my father and grandfather shows what interesting and talented people they were.Lil All was a great martial artist and a good fighter. His father started to train him when he was four years old. He could do the complete splits and had great kicking ability. I thought that he was going to be a great instructor some day because he was so good at it. Sensei Cavallo had him teaching the adult class when he was still in high school.