Captain (Charles) Bruce Bairnsfather (9 July 1887 – 29 September 1959) was a prominent British humorist and cartoonist. His best-known cartoon character is Old Bill. Bill and his pals Bert and Alf featured in Bairnsfather's weekly "Fragments from France" cartoons published weekly in "The Bystander" magazine during the First World War.
The son of Jane (1860-1958) and Major Thomas Henry Bairnsfather (1859-1944) he was born into a military family in Murree, British India (now Pakistan), he spent his early life in India, but was brought to England in 1895 to be educated at the United services college, Westward Ho!, then at Stratford-upon-Avon. Initially intending a military career, he failed entrance exams to Sandhurst and Woolwich Military Academies but joined the Cheshire Regiment.
He resigned in 1907 to become an artist, studying at the John Hassall School of Art. Unsuccessful at first, he worked as an electrical engineer. Working in this capacity for the Old Memorial Theatre, Stratford, brought him into acquaintance with Marie Corelli, who introduced him to Thomas Lipton, a connection that led to commissions to draw advertising sketches for Lipton tea, Player's cigarettes, Keen's Mustard, and Beecham's Pills.