Andrew Loomis was an American illustrator and author, best known for his influential art instruction books. Born in 1892, he gained prominence in the mid-20th century for his clear and practical teaching methods, which helped aspiring artists improve their skills in drawing and painting. His books, such as Figure Drawing for All It's Worth and Creative Illustration, are still widely used today. Loomis's work extended beyond teaching; he was also a successful commercial artist. He created illustrations for magazines and advertisements, showcasing his talent in various styles. His legacy continues to inspire artists and educators in the field of visual arts.