Richard John "Mack" Machowicz was a Navy SEAL and the host of the Discovery Channel and Military Channel show Future Weapons. He was the newest member on Spike's show Deadliest Warrior.
Zen was introduced in the United States at the end of the 19th century by Japanese teachers who went to America to serve groups of Japanese immigrants and become acquainted with the American culture.
Though its origins are distant, today there are plenty of prominent American Zen .
