Neysa Moran McMein was an American illustrator and portrait painter who studied at The School of The Art Institute of Chicago and Art Students League of New York. She began her career as an illustrator and during World War I, she traveled across France entertaining military troops with Anita P. Wilcox and Jane Bulley and made posters to support the war effort. She was made an honorary non-commissioned officer in the United States Marine Corps for her contributions to the war effort.

Howard Chandler Christy was an American artist and illustrator. Famous for the "Christy Girl" – a colorful and illustrious successor to the "Gibson Girl" – Christy is also widely known for his iconic WWI military recruitment and Liberty loan posters, along with his 1940 masterpiece titled, Scene at the Signing of the Constitution of the United States, which is installed along the east stairwell of the United States Capitol.