My first "Branda Purchase" was in the very early 80's. No Shelby at that time, just a A-code coupe with headers, high stall converter and my desire to make it as much like a Shelby as I could on a non-existent budget.
I always thought he started the Pony car parts industry. There might have some before him, but he seemed to be the first player attempting to do it right.
My catalogs were well worn. As much a reference book as a parts source.
Prayers for his family.