It's said Eddie invented the hammerons for guitar and while he was a talented musician he didnt invent the style. That goes back to a musician who played with Arthur Brown's crazy world and later formed the band called Atomic Rooster.
His name is John Du Cann,you can look up some old Rooster on Utube and see his work,then watch Van Halen,when Eddie actually lets you see what he's doing.
Rip Eddie,maybe in another 20 years or so Keith Richards will join you.