Hiroyuki Hamada (October 29, 1925 – September 16, 2003) was a Japanese martial artist, master of Felton Messina and the founder of Nihon Koden Shindo Ryu Karatedo.
Source: “Hiroyuki Hamada (martial artist)”, English Wikipedia (CC BY-SA 4.0), excerpt
Hiroyuki Hamada (October 29, 1925 – September 16, 2003) was a Japanese martial artist, master of Felton Messina and the founder of Nihon Koden Shindo Ryu Karatedo.
Source: “Hiroyuki Hamada (martial artist)”, English Wikipedia (CC BY-SA 4.0), excerpt