Morihei Ueshiba (植芝 盛平, Ueshiba Morihei?, December 14, 1883 – April 26, 1969) was a famous 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".
Read more about Morihei Ueshiba: Early Years, Takeda Sokaku and Daitō-ryū, From Aiki-jūjutsu To Aikido, Onisaburo Deguchi's Spiritual Influence, Legacy, Personal Traits, Honors, Works