THE PEARL HARBOR INVESTIGATIONS

ROBERTS COMMISSION
December 22, 1941–January 23, 1942

Associate Justice Owen J. Roberts, U.S. Supreme Court, chairman

Adm. William H. Standley, USN (Ret.) [Member]

RADM. Joseph M. Reeves, USN (Ret.) [Member]

Maj. Gen. Frank B. McCoy, USA (Ret.) [Member]

Brig. Gen. Joseph T. McNarney, USA [Member]

Walter Bruce Howe, recorder

Lt. Col. Lee Brown, USMC, legal adviser

Albert J. Schneider, secretary

THE HART INQUIRY
February 22, 1944–June 15, 1944

Adm. Thomas C. Hart, USN (Ret.)

Capt. Jesse R. Wallace, USN, counsel*

Lt. William M. Whittington, Jr., USNR, assistant counsel

ARMY PEARL HARBOR BOARD
July 20–October 20, 1944

Lt. Gen. George Grunert, president

Maj. Gen. Henry D. Russell [Member]

Maj. Gen. Walter H. Frank [Member]

Col. Charles W. West, recorder

Maj. Henry C. Clausen, asst. recorder

Col. Harry A. Toulmin, Jr., executive officer

NAVY COURT OF INQUIRY
July 24–October 19, 1944

Adm. Orin G. Murfin, USN (Ret.), president

Adm. Edward C. Kalbfus, USN (Ret.) [Member]

VADM. Adolphus Andrews, USN [Member]

Cmdr. Harold Biesemeier, USN, judge advocate

HEWITT INVESTIGATION
May 15–July 11, 1945

VADM. H. Kent Hewitt

Mr. John F. Sonnett, counsel

Lt. Cmdr. Benjamin H. Griswold, USNR, aide to Admiral Hewitt

Lt. John Ford Baecher, USNR, assistant to Mr. Sonnett

CLAUSEN INVESTIGATION
November 23, 1944–September 12, 1945

Maj. Henry C. Clausen

CLARKE INVESTIGATION
September 14–16, 1944
July 13–August 4, 1945

Col. Carter W. Clarke, USA

Lt. Col. Ernest W. Gibson, USA

JOINT CONGRESSIONAL COMMITTEE INVESTIGATION
November 15, 1945–July 15, 1946

Alben W. Barkley, senator from Kentucky, chairman

Jere Cooper, representative from Tennessee, vice chairman

Walter F. George, senator from Georgia

Scott W. Lucas, senator from Illinois

Owen Brewster, senator from Maine

Homer Ferguson, senator from Michigan

J. Bayard Clark, representative from North Carolina

John W. Murphy, representative from Pennsylvania

Bertrand W. Gearhart, representative from California

Frank B. Keefe, representative from Wisconsin

Counsel (through January 14, 1946)

William D. Mitchell, general counsel

Gerhard A. Gesell, chief assistant counsel

Jule M. Hannaford, assistant counsel

John E. Masten, assistant counsel

(After January 14, 1946)

Seth W. Richardson, general counsel

Samuel H. Kaufman, associate general counsel

John E. Masten, assistant counsel

Edward P. Morgan, assistant counsel

Logan J. Lane, assistant counsel