J.C. Leyendecker / American artist/illustrator Joseph Christian Leyendecker (March 23, 1874 – July 25, 1951) had a most distinctive style characterized by angular lines and visible brush strokes. Leyendecker produced many poster, book and advertising illustrations during the Golden Age of American Illustration. For &quot;The Saturday Evening Post&quot; alone, Leyendecker produced 322 covers.