He was the oldest son of whisky maker Alexander Walker and took over the family business' London office in 1888, overseeing distribution and marketing.
After their father's death in 1889, his brother Alexander stepped into the production and blending role, eventually creating Johnnie Walker Old Highland (white label) and Special Old Highland (red label) (adding them to the Extra Special Old Highland (black Label) created by their father in 1865).
George had wanted to create an advertising device that would be instantly recognisable to customers.
The solution emerged during lunch one day with cartoonist of the time, Tom Browne.
In response to the challenge, Browne drew the first Striding Man then and there on the back of a menu in the restaurant.