Cassius Marcellus Coolidge: The Artistry of Playful Canvases Coolidge’s journey as an artist was a distinctive one. He began his career as a druggist, but his passion for painting led him to explore the world of art more deeply. In the late 19th century, he delved into the burgeoning realm of commercial art, creating illustrations for various advertisements. It was during this period that he crafted the first of his dog-themed artworks. https://www.theartlifegallery.com/blog/cassius-marcellus-coolidge-the-artistry-of-playful-canvases