The Birankai 2006 Summer Camp DVD Set features classes by TK Chiba, Tsuruzo Miyamoto, and others.
About TK Chiba:
Chiba sensei was an uchi deshi (live in student) of the founder of Aikido for 7 years until he was dispatched to England to spread the art. He later settled in San Diego where he lived out the rest of his life. Having been active in Aikido for 50 years, he was respected as one of the most proficient at the art.