Kenwa Mabuni
(摩文仁 賢和 Mabuni Kenwa, 14 November 1889 – 23 May 1952) was one of the first karateka to teach karate on mainland Japan and is credited as developing the style known as Shitō-ryū (糸東流).
Karate Kenpo (1934)
Karate-Do Nyumon (1938)
Sources:
http://en.wikipedia.org/wiki/Kenwa_Mabuni
http://www.hawaii.edu/asiaref/okinawa/digital_archives/karate_museum.html