Lemon-lime flavored soda 7UP was invented in St. Louis by Charles Leiper Grigg, who touted its mood-enhancing properties during the Depression.
7UP: The Classic Lemon-Lime Refreshment That Never Gets Old
7up Tells Logo Story on New Package
The History of 7UP and Charles Leiper Grigg
7UP logo through the years
7 Up, The Soda Wiki
The History of 7UP and Charles Leiper Grigg
7Up's branding revolution
When did 7up Come Out? – Industrial Artifacts
7 Up,7 Up inventors
1955 7UP SOFT DRINK SODA POP LEMON-LIME SPORT BOY FAMILY THIRST QUENCH AD 29214