Donn Draeger was the most influential martial artist/scholar of the 20th century. His more than 20 books and long list of accomplishments support this argument. The author of this article, R.W. Smith, was a close confidant of Draeger had during his career. This article is thick with information about him and Japanese martial tradition.
SOURCE: Journal of Asian Martial Arts, Vol. 8 No. 3 (1999): 16 pages.