Diana Forbes, also known as Celia Levetus and C. A. Nicholson, was a distinguishable figure in the realm of literature and art, notably recognized for her contributions as an author, poet, and illustrator associated with the Birmingham School. Born in Montreal in 1874 and passing away in 1936, Forbes's artistic journey was inseparably linked with the Birmingham School of Art, where she honed her skills and cultivated her unique style. Her work, especially her illustrations, bears the hallmark of the movement's emphasis on individuality and craftsmanship.

Forbes's legacy extends beyond her illustrations, as she was deeply engaged in the exploration of themes relevant to her times. Her intellectual curiosity and creative expression made her a significant contributor to the cultural landscape of her era. Despite the passage of time, her work continues to inspire those who appreciate the intricacies of art and literature from the late 19th and early 20th centuries.