Thomas Barber (1774–1843): A Pioneer of British Miniature Painting and Military Patronage John Thomas Barber Beaumont was a multifaceted figure—a British army officer, painter, author, and philanthropist—whose legacy extends beyond his artistic output. Born December 21, 1774, in St Marylebone, London, he adopted the Beaumont surname for unknown reasons, becoming widely known as “Barber Beaumont.” His life was marked by ambition, innov…