John Walker & Sons, founded in 1820 by John Walker in Kilmarnock, Scotland, stands as the visionary creator of the iconic Johnnie Walker brand. What began as a modest grocery store evolved into the world's most successful and enduring Scotch whisky empire. After John's death, his son Alexander Walker pioneered the brand's global expansion, introducing the distinctive square bottle and slanted label in the 1860s to reduce breakage and maximize shelf efficiency. The revolutionary color-coded label system—Red, Black, Green, Gold, and Blue—transformed whisky blending by delivering consistent, sophisticated flavor profiles for every palate and occasion. Today, under Diageo ownership, Johnnie Walker remains the world's best-selling Scotch whisky, symbolized by the Striding Man logo and 'Keep Walking' mantra, representing over 200 years of unparalleled craftsmanship, innovation, and global whisky leadership.