Hanger Project founder Kirby Allison takes a trip into Henry Poole The Oldest Bespoke Suit Maker On Savile Row in London. Henry Poole & Co Tailors is known for being one of the oldest and the original tailors on Savile Row, arguably the most famous tailoring street in the world. Not content with just being the oldest tailors on Savile Row, Henry Poole is also famous for having invented the Tuxedo.