In tang soo do who created the Phung Ahn forms?

The Phung Ahn Kata of Tang Soo Do were developed from the Heinan Kata of Shotokan Karate. The Heinan Kata of Shotokan were based on the Pinan Kata of Okinawan Karate. The Pinan Kata were created about 1915 by Anko Itosu, one of the most influential karate-ka in history. He and Gichan Funikoshi (founder of Shotokan) were students of Bushi Matsumora.