Stanley E. Armstrong
From The Arthur Conan Doyle Encyclopedia
Stanley Edward Armstrong (11 july 1873 - 16 march 1949) was an early 20th century American newspaper cartoonist and magazine illustrator, from Muir, Michigan. Around 1900 he attended the Mark Hopkins Institute of Art in San Francisco and shortly afterwards began his career as an artist with the local paper The San Francisco Call.
In 1903 and 1905, he did 25 illustrations for Arthur Conan Doyle's fictions.