Complex sentence: The first was Seigō Okamoto (岡本 正剛 "Okamoto Seigō", born 1925) who founded the, whose own interpretation of "aiki" and minimal movement throws have proved very popular.
Split into simpler sentences: The first was Seigō Okamoto (岡本 正剛 "Okamoto Seigō", born 1925) who founded the. His interpretation of "aiki" and minimal movement throws have proved very popular.