Yes, the math behind the major scale is attributed to Pythagoras. But then again, nearly everything is attributed to Pythagoras.
I did a project last year on the math in the musical scale last year. Very interesting stuff.
1.Revolver - The Beatles
2.In The Court Of The Crimson King - King Crimson
3.After School Session - Chuck Berry
4.Sonic Youth - Sonic Youth
5.Pet Sounds - The Beach Boys
6.Thick As A Brick - Jethro Tull
7.Dark Side of the Moon - Pink Floyd
8.Are You Experienced? - The Jimi Hendrix Experience
9.Trans-Europe Express – Kraftwerk
10.Crooked Rain, Crooked Rain – Pavement
Happy Birthday Chris! have a great day, listen to some joyful prog rock. I'd suggest Caravan's "If I Could Do It All Over Again, I'd Do It All Over You".
I'd send you a beer, but I'm not allowed to buy beer yet.