Clarence Emil Steinbauer, Earl W. McComas, Francis Leo Gerdes, Frederick Charles Scobey, Glenn Arthur Cumings, Harold Blaisdell Shepard, Henry Ellsworth Ewing, J. A. Gamble, John Mott Buck, Joseph Nesbitt Tenhet, Leander D. Howell, Margaret Smith Furry, O. G. Hankins, P. A. Glick, R. L. Piemeisel, Randall Latta, Richard Laban Adams, Robert Claude Wright, Robert Delafield Rands, Ross Calvin Thompson, Thompson Elwyn Woodward, Vivian Kearns Toole, Wells Aleck Hutchins, William Henry Black, Arvid John Johnson, Charles Vinyard Wilson, Eben H. Toole, Edwin Walter Howe, Ernest Dopp, Frank Edward Todd, G. V. C. Houghland, I. P. Earle, James Richard Quesenberry, Joseph Benjamin Shepherd, Lloyd Byron Burk, N. R. Ellis, William Edwin Cotton, Alfred Leroy Baker, Arthur Kirkland Besley, Charles Abel Bennett, Howard Ellenwood Smith, Mason August Hein, Paul E. Howe · 1940
Clarence Emil Steinbauer, Earl W. McComas, Francis Leo Gerdes, Frederick Charles Scobey, Glenn Arthur Cumings, Harold Blaisdell Shepard, Henry Ellsworth Ewing, J. A. Gamble, John Mott Buck, Joseph Nesbitt Tenhet, Leander D. Howell, Margaret Smith Furry, O. G. Hankins, P. A. Glick, R. L. Piemeisel, Randall Latta, Richard Laban Adams, Robert Claude Wright, Robert Delafield Rands, Ross Calvin Thompson, Thompson Elwyn Woodward, Vivian Kearns Toole, Wells Aleck Hutchins, William Henry Black, Arvid John Johnson, Charles Vinyard Wilson, Eben H. Toole, Edwin Walter Howe, Ernest Dopp, Frank Edward Todd, Geoffrey Van Clief Houghland, I. P. Earle, James Richard Quesenberry, Joseph Benjamin Shepherd, Lloyd Byron Burk, Ned Royce Ellis, William Edwin Cotton, Alfred Leroy Baker, Arthur Kirkland Besley, Charles Abel Bennett, Howard Ellenwood Smith, Mason August Hein, Paul E. Howe · 1938
Clarence Emil Steinbauer, Frederick Charles Scobey, Harold Blaisdell Shepard, Henry Ellsworth Ewing, John Mott Buck, Joseph Nesbitt Tenhet, Richard Laban Adams, Robert Louis Piemeisel, Ross Calvin Thompson, Thompson Elwyn Woodward, Edwin Walter Howe, Frank Edward Todd, Mason August Hein, William Edwin Cotton, Howard Ellenwood Smith, Joseph Benjamin Shepherd · 1938