Alexander Crichlow Barker Jr., known as Lex Barker, was an American actor. He was known for playing Tarzan for RKO Pictures between 1949 and 1953, and portraying leading characters from Karl May's novels, notably as Old Shatterhand in a film series by the West German studio Constantin Film. At the height of his fame, he was one of the most popular actors in German-speaking cinema, and received Bambi Award and Bravo Otto nominations for the honor.

Karl Friedrich May was a German author. He is best known for his novels of travels and adventures, set in the American Old West, the Orient, the Middle East, Latin America, China and Germany. He also wrote poetry, a play, and composed music. He was a proficient player of several musical instruments. Many of his works were adapted for film, theatre, audio dramas and comics. Later in his career, May turned to philosophical and spiritual genres. He is one of the best-selling German writers of all time, with about 200,000,000 copies sold worldwide.