Sensei Hanratty discusses the introduction and growth of Shotokan karate in North America. 

Also discussed:
-The two main reasons karate organizations split up.
-The best karate practitioner he ever saw, the best teacher, and the one with the best spirit.

The Biomechanics of Karate

The Hanratty on Karate Podcast features fascinating conversations with Sensei John Hanratty and guests about karate techniques, training methods, and philosophy. Sensei Hanratty, 9th Dan, has taught thousands of students over the past 50+ years at seminars worldwide.