Martin Joseph Gavin / Richard Valentine Ageton / Willard Walker Cutler / Arno Carl Fieldner / Arthur L. Murray / Byron O. Pickard / C. Lorimer Colburn / C. R. Forbes / Charles Edward Munroe / Daniel Harrington / Donald B. Dow / Ernest Woodward Dean / Eugene Delos Gardner / F. J. Bailey / G. St. John Perrott / George Arthur Burrell / George Edward McElroy / Guy B. Taylor / H. F. O'Brien / J. J. Bourquin / John Gross / Joseph Dana Davis / Lee Clyde Ilsley / N. A. C. Smith / Oliver Bowles / R. M. Winslow / Raymond Bardeen Ladoo / Roy R. Hornor / Royd Ray Sayers / Royden Edward Head / Samuel Wilson Parr / Thomas Fraser / United States. Bureau of Mines / William Hawes Coghill / William Wallace Odell / A. D. Bauer / C. E. Coleman / Carl O. Anderson / George William Jones / H. H. Hill / Harry Fagan Yancey / Henry Rust O'Brien / Horace Chamberlain Porter / J. W. Paul / John T. Aydelotte / Lewis C. Karrick / Maurice Bacon Cooke / Palmer B. Place / Selwyne Perez Kinney / Sidney Hershberg Katz / Thomas Ernest Layng / Walker Stillwell Clute / C. R. Bopp / E. C. White / George Stanley Scott / W. B. Lerch / W. E. Perdew

OSU:32435067622522

Abandoned coal mines

Byron Oscar Pickard / William Waugh Adams / Albert John Kraemer / Arthur William Fahrenwald / D. B. Gawthrop / Daniel Harrington / Ernest Emerson Fairbanks / F. C. Gregory / George Addison Bole / George Samuel Rice / George William Jones / Harold Carl Miller / James Washington Paul / John Ferdinand Barkley / Lee Clyde Ilsley / Louis Downer Tracy / M. J. Kirwan / Maurice Bacon Cooke / N. F. LeJeune / Rudolf H. Kudlich / Sidney Hershberg Katz / Thomas Leonard Joseph / W. L. Finley / Walter T. Ackley / William Melvin Weigel / A. A. Straub / B. A. Landry / Clifton M. Ralph / Edward George Meiter / George Edward McElroy / H. B. Brunot / H. M. Smith / J. W. Horne / Max Wilhelm Von Bernewitz / William Parks Yant / D. W. Gould / Harold Putnam Greenwald / Lawrence Bursley Berger / Royd Ray Sayers / Arthur David Bauer

OSU:32435067622589

Air flow

Charles Freeman Jackson / George Edward McElroy / Kenneth Keith Kelley / Ludwig Schmidt / William Waugh Adams / Clarence Travis Anderson / John Ballantine Knaebel / L. E. Geyer / Chilton Austin Wright

OSU:32435026701219

Carbonates

George Edward McElroy

STANFORD:36105119500580

Mine ventilation

George Edward McElroy

UOM:39015078496828

Air flow

Edwin Lee Rawlins / George Edward McElroy / John Roy Thoenen / William Melvin Weigel / L. D. Wosk

OSU:32435026701425

Limestone

George Edward McElroy

OSU:32435056593833

Mine ventilation

George Edward McElroy

UOM:39015077563842

Fans (Machinery)

Ernest Woodward Dean / William Waugh Adams / Albert Russell Mumford / Arthur L. Murray / Carl Alton Allen / Charles Edwin Van Barneveld / Charles Wesley Davis / Clyde Elmer Williams / Daniel Harrington / Donald B. Dow / Dorsey Julian Parker / Earl Carlton Lane / George St. John Perrott / John Gross / Lee Clyde Ilsley / Lewis Cass Karrick / M. P. Youker / Martin Joseph Gavin / Maurice Bacon Cooke / Oliver Bowles / Ozni Porter Hood / Ralph Lyman Brown / Raymond Bardeen Ladoo / Richard Bishop Moore / Roy R. Hornor / Royd Ray Sayers / Sidney Hershberg Katz / Spencer Pritchard Howell / Wm. W. Odell / A. C. Watts / Edmund Spriggs Leaver / Ernest J. Gleim / Frank Valentine Meriwether / George Arthur Burrell / George Edward McElroy / George McMonies Hunt / Hilary Breton Brunot / Hiram William Clark / John Jacob Bloomfield / William Parks Yant / A. D. Bauer

OSU:32435067622530

Acetylene

George Edward McElroy

UOM:39015095085588

Mine ventilation

N. F. Le Jeune / Lee Clyde Ilsley / W. W. Adams / Arno Carl Fieldner / Carl A. Taylor / Earl Carlton Lane / F. W. Davis / G. H. West / George Edward McElroy / George William Jones / Harold Coulter George / J. E. Crenshaw / Jay John Jakosky / John H. Thompson / Ludwig Schmidt / Lynton Dewitt Wyant / Mayo Dyer Hersey / Oliver Bowles / Ozni Porter Hood / Percy Hoke Royster / Ralph Lyman Brown / Ray Thomas Stull / Richard Valentine Ageton / Rudolf H. Kudlich / Sidney Hershberg Katz / Allan Shakespeare Richardson / E. F. Pohlman / E. W. Butzler / Erskine Shearer Longfellow / George Addison Bole / H. M. Smith / Howard Bassett Freeman / John Jacob Bloomfield / R. L. Sebastian / Richard Duddleston Leitch / Thomas Leonard Joseph / William Henry Rinkenbach / William Parks Yant / H. G. Berger / Lawrence Bursley Berger / Selwyne Perez Kinney / W. A. Darrow

OSU:32435067622563

Aggregates (Building materials)

George Edward McElroy

UIUC:30112101024062

Mine ventilation

George Reeser Prowell

CORNELL:31924083937981

York County (Pa.)

George Rogers Howell

George Rogers Howell

STANFORD:36105013718254

Albany (N.Y.)

George Reeser Prowell

HARVARD:HN3991

York County (Pa.)

George Edward McElroy

UOM:39015078455428

Mine ventilation

George Reeser Prowell

YALE:39002002936855

Camden County (N.J.)

Edmund Spriggs Leaver / Ralph H. Espach / Richard Duddleston Leitch / William Hawes Coghill / Arthur William Fahrenwald / C. Travis Anderson / Chase Elverton Sutton / Clifford Cook Furnas / Curt Nicolaus Schuette / Daniel Harrington / E.C. Lane / Edward H. Denny / Edwin Lee Rawlins / Eugene Delos Gardner / F. E. Cash / G. B. Shea / G. R. Hopkins / G. St. J. Perrott / George Edward McElroy / George Samuel Rice / H. M. Lawrence / Harold P. Rue / Harold Putnam Greenwald / Henry Alfred Doerner / J. D. Davis / John Gross / John Michael Devine / John Roy Thoenen / R. G. O'Meara / Ronald Van Auken Mills / Royd Ray Sayers / Royden Edward Head / Rudolph Richard Brandenthaler / Scott Turner / Thomas Leonard Joseph / Thomas Varley / William A. Sloan / William Waugh Adams / Jesse Arthur Woolf / Clarence Watson Owings / D. J. Parker / F. D. De Vaney / F. W. Lane / J. J. Forbes / K. L. Marshall / O. W. Greeman / S. R. Zimmerley / T. W. Johnson / Virgil Miller / Arno Carl Fieldner / F. Feehan

OSU:32435067622332

Air flow

Alva Britt Hooker / George Edward McElroy / Harold Percy Rue / Julius Frederick Thomas Berliner / L. C. Ilsley / Ralph Arthur Sherman / Randolph Norris Shreve / Ralph Homeward Espach / William Joseph Fene / Robert Dewey Currie

OSU:32435026701300

Copper mines and mining

Iowa State Bar Association / La Varga George Kinne

UOM:35112103286318

Bar associations

J. E. Crawshaw / Joseph Edgar Tiffany / Albert John Kraemer / Arthur William Fahrenwald / Charles Edwin Van Barneveld / Clyde Elmer Williams / Donald B. Dow / Edmund Spriggs Leaver / Ernest Albion Hersam / F. W. Lane / George Edward McElroy / J. J. Jakosky / James Washington Paul / John Ferdinand Barkley / Louis Downer Tracy / Ludwig Schmidt / Lynton Dewitt Wyant / Marie Farnsworth / Maurice Bacon Cooke / Richard Duddleston Leitch / Royd Ray Sayers / Sidney H. Katz / Walter Alfred Selvig / William Marsh Myers / William Melvin Weigel / William Waugh Adams / William Parks Yant / Allan Shakespeare Richardson / Alva Britt Hooker / C. W. Davis / Carl Ernest Reistle / Carl Otto Anderson / Clifford Pinkney Bowie / Donald Henry Zellers / Edward Phillip Barrett / H. M. Lawrence / Harold Monroe Thorne / Harold Putnam Greenwald / J. J. McKitterick / L. G. Marsh / Bernard Marvin Larsen / J. A. Woolf / J. H. Hildebrand / J. S. Desmond

OSU:32435067622597

Abrasives

Marcus Bainbridge Buford / George Washington Buford / Mildred Buford Minter

WISC:89080566136

George U. Balis

UOM:39015006707254

Medical

George B. Harrington

MINN:31951002002702J

History

George Sampson

ONB:+Z255075101

George T. McJimsey

IND:30000124244959

History

George Norwood Comly

WISC:89066037615

George L. Morrow

UOM:39015027341422

World War, 1914-1918

George Edward McElroy / John Ferdinand Barkley / Sidney H. Katz / William Waugh Adams / Allan Shakespeare Richardson

OSU:32435055056956

Air flow