Knight in battle armor from the 14th century. . Gravestone of Johann Graf von Wertheim, died 1407. Chromolithograph from Hefner-Alteneck's Costumes, Artworks and Appliances from the early Middle Ages to the end of the 18th Century, Frankfurt, 1883. IIlustration drawn by Hefner-Alteneck, lithographed by CR, and published by Heinrich Keller. Dr. Jakob Heinrich von Hefner-Alteneck (1811-1903) was a German archeologist, art historian and illustrator. He was director of the Bavarian National Museum from 1868 until 1886.