Dr. Denton A. Cooley tells a news conference in Baltimore Thursday he's "ready for any investigation" into the artificial heart he implanted in Haskell Karp last week. Cooley's propriety in using the artificial heart has been questioned by Dr. Michael DeBakey, president of the Baylor Medical School, where Cooley has a faculty position. The inquiry involves federal authorization of using the heart if the project received federal aid.

Photo is dated 1969.

Photo measures 8 x 10.25 inches.