Donn F. Draeger (1922 - 1982) was one of the world’s leading authorities on the weapons and fighting arts of Asia and was a highly regarded figure in Japan. Licensed in Japan as a teacher of numerous martial arts, he wrote prolifically on the subject. His many publications include Judo Formal Techniques, Shaolin Kung Fu and the six-volume Practical Karate series.Gary Nathan Gartenberg is an expert on Indonesian martial arts and a scholar in the field of Malay & Indonesian studies. Since 1979, he has immersed himself in Southeast Asian martial culture with an emphasis on Indonesia’s national sport, pencak silat. Presently, he serves as a strategist, researcher, translator, and content creator for projects regarding the trajectories and disposition of Indonesian arts and artifacts worldwide.