
Ōsensei Morihei Ueshiba 植芝 盛平 was founder of the Japanese martial art Aikido. He is often referred to as “the founder” Kaiso (開祖) or Ōsensei (大先生/翁先生?), “Great Teacher”.

Ōsensei Morihei Ueshiba 植芝 盛平 was founder of the Japanese martial art Aikido. He is often referred to as “the founder” Kaiso (開祖) or Ōsensei (大先生/翁先生?), “Great Teacher”.