Richards is the illustrator of the widely produced 1918 World War I poster titled, "Oh, Boy!
[4] During this time, Richards illustrated college annuals and cover designs for magazines.
[5] The poster features a woman holding plate of doughnuts and a "Doughboy" eating a donut.
[1][3] While he was a student at Chase School, Richards met poet Nicholas Vachel Lindsay.
Later in life, Vachel would write to a friend that Richards was his "heart's best brother for [his] four years (1905-1908).
Richards' drawings even influenced Lindsay's poems, "The Queen of Butterflies" and "The Mysterious Cat."
Vachel's "Art of the Moving Picture" is dedicated to Richards with the inscription, "Dedicated to George Mather Richards in memory of the art student days we spent together when the Metropolitan Museum was our picture-drama.
"[2] Vachel would go on to write a poem for Richards' daughter, Elisabet "Betsy," titled, "Some Balloons Grow on Trees.