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