clipped from: www.newsweek.com   
In the 1920s, Adolf (Adi) Dassler

spent hours working on shoe designs in his workshop

Rudolf Dassler, a gregarious salesman, started a small shoemaking business in the Bavarian enclave of Herzogenaurach, focusing primarily on hand-sewn athletic footwear

as their business took off, the two brothers grew increasingly frustrated with each other

They disagreed on everything from politics, the future of the company and one another's choice in wives.

mid-1940s Rudolf left in a huff and set up a rival shop across the river, while Adi remained in the initial plant. His company was renamed Adidas, and in 1948 Rudolf registered his new company, Puma.

a children's shoe brand with the name Addas, so Adi added an i

Rudolf's case

Ruda wasn't very inspiring. So he changed it.

Rudolf had an argument with the coach of the German soccer team

that allowed Adidas an opening before the 1954 World Cup

West Germany won against Hungary

Adi Dassler was in all the [newspaper] pictures