Joseph Christian Leyendecker, also known as J. C. Leyendecker, was a German-born American illustrator, widely considered as one of the most important illustrators of the early 20th century.
Featured image: Joseph Christian Leyendecker - The Century, 1897 (detail). Lithograph. 11 1/2 × 8 1/4 in. 29.2 × 21 cm. Photo courtesy ArtWise