What modern Japanese martial art was developed by Morihei Ueshiba, often referred to as"the founder" "Kaiso" or "Ōsensei"?
Morihei Ueshiba Morihei Ueshiba (植芝 盛平 , Ueshiba Morihei , December 14, 1883 – April 26, 1969) was a martial artist and founder of the Japanese martial art of Aikido. He is often referred to as "the founder" "Kaiso" (開祖 ) or "Ōsensei" (大先生/翁先生 ) , "Great Teacher".
Takuma Hisa Takuma Hisa (久 琢磨 "Hisa Takuma", c.1895 – October 31, 1980) was a prominent Japanese martial artist, early student in Daito-ryu aiki-jujutsu of both Sokaku Takeda and aikido founder Morihei Ueshiba.