Mr. SPECTER. The President's Commission is investigating all facts related to the Assassination of President Kennedy, and you have been asked to testify in this deposition proceeding relating to the medical treatment received by President Kennedy at Parkland Memorial Hospital and all facts incident thereto. Dr. Clark, have you received a letter from the President's Commission enclosing a copy of the Executive Order establishing the Commission and a copy of a Senate and House Joint Resolution about the Commission, and a letter relating to the taking of testimony by the Commission? Dr. CLARK. I have. Mr. SPECTER. And are you willing to proceed with this deposition today, even though 3 days have not elapsed between the time you received the letter and this morning? Dr. CLARK. Yes. Mr. SPECTER. Would you state your full name for the record, please? Dr. CLARK. William Kemp Clark. Mr. SPECTER. Will you outline in a general way your educational background, please? Dr. CLARK. Yes. I graduated from the University of Texas in Austin, 1944. I graduated from the University of Texas Medical Branch at Galveston in 1948. I interned at Indiana University Medical Center and was a resident in surgery there from 1948 to 1950. I spent 2 years in the Air Force and then took my residency in neurological surgery at Columbia Presbyterian Hospital in New York City. This was from 1953 to 1956, at which time I came to the University of Texas, Southwestern Medical School, as chairman of the division of neurological surgery. Would you like the professional qualifications? Mr. SPECTER. Yes; may I have the professional qualifications in summary form, if you will, please. Dr. CLARK. I am board certified by the American Board of Neurological Surgery. I am a Fellow with the American College of Surgeons. I am a member of the Harvey Cushing Society. Mr. SPECTER. What is the Harvey Cushing Society, by the way? Dr. CLARK. It is the largest society of neurological surgeons in the world. Mr. SPECTER. And what do your duties consist of with respect to the Southwestern Medical School of the University of Texas? Dr. CLARK. I am in charge of the division of neurological surgery and carry the responsibility of administering this department or this division, to arrange the instruction of medical students in neurological surgery and to conduct research in this field. Mr. SPECTER. What were your duties back on November 22, 1963? Dr. CLARK. Essentially these. I also, as chairman of the division, have the responsibility as director of neurological surgery at Parkland Memorial Hospital which is the major teaching hospital of the medical school. Mr. SPECTER. Did you receive notification on November 22, 1963, that the President had been wounded and was en route to this hospital? Dr. CLARK. Yes, sir; I did. Mr. SPECTER. Do you know at approximately what time you got that notification? Dr. CLARK. Approximately 12:20 or 12:30.