Zenas Winsor McCay was an American cartoonist and animator. He is best known for the comic strip Little Nemo and the animated film Gertie the Dinosaur (1914). For contractual reasons, he worked under the pen name Silas on the comic strip Dream of the Rarebit Fiend.

Jules Guérin was an American muralist, architectural delineator, and illustrator. A painter and widely published magazine illustrator, he gained prominence for his architectural work such as in the 1906, Plan for Chicago, and for the large murals he painted in many well-known public structures such as the Lincoln Memorial.