A&W Root Beer is one of the major root beer franchises in the United States. [It] was first brewed in June 1919, in Lodi, California by Roy Allen. Allen sold the nickel root beer at a roadside stand at a parade for returning World War I veterans. Along with partner Frank Wright, Allen began A&W Restaurants, giving the root beer its name as well as eventually selling other food.
Dumas is the surname of several people.