The testimony of Dr. William Kemp Clark was taken at 11:50 a.m., on March 21, 1964, at Parkland Memorial Hospital, Dallas, Tex., by Mr. Arlen Specter, assistant counsel of the President's Commission.

Mr. Specter. Would you stand up please, Dr. Clark, and raise your right hand?

Do you solemnly swear that the testimony you will give before the President's Commission on the Assassination of President Kennedy in this deposition proceeding will be the truth, the whole truth, and nothing but the truth, so help you God?

Dr. Clark. I do.

Mr. Specter. You may be seated.

Dr. Clark. Thank you.

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?