John Robert Reeves / Lee Clyde Ilsley / Albert Russell Mumford / Alfred Richard Powell / Alva Britt Hooker / Arthur L. Murray / B. Marvel O'Harra / Charles Arthur Herbert / Donald B. Dow / Earl Carlton Lane / Edward Phillip Barrett / Ermon Dwight Eastman / Ernest J. Gleim / Eugene Delos Gardner / Galen Howell Clevenger / George William Jones / Harry Earle Tufft / Henry Kreisinger / James Washington Paul / Lewis Cass Karrick / Oliver Bowles / Raymond Bardeen Ladoo / Royd Ray Sayers / S. P. Kinney / Samuel Colville Lind / Sidney Hershberg Katz / Spencer Pritchard Howell / William Marsh Myers / William Melvin Weigel / William Waugh Adams / Alphonso Cornejo / Arno Carl Fieldner / Claude William Mitchell / Daniel Harrington / Hilary Breton Brunot / J. J. Bourquin / John Blizard / John D. Sullivan / Max Wilhelm von Bernewitz / N. F. LeJeune / Raymond Arthur Kearns / William Parks Yant / C. W. Davis / John Jacob Bloomfield

OSU:32435067622555

Air

Daniel Harrington / Spencer Pritchard Howell

UOM:39015077568734

Accidents

Spencer Pritchard Howell

UOM:39015078504274

Explosives

Lee Clyde Ilsley / Arno Carl Fieldner / Byron O. Pickard / Carl Alton Allen / Charles Edward Munroe / Charles Wesley Davis / Daniel Harrington / Donald B. Dow / Dorsey A. Lyon / Dorsey J. Parker / Ernest Woodward Dean / Eugene Delos Gardner / Frederick Bevan Tough / George Samuel Rice / H. F. Bain / Hubert W. Davis / J. J. Bourquin / John Allen Davis / John Blizard / John Gross / John H. Wiggins / Joseph Wesley Thompson / L. H. Sharp / Lewis C. Karrick / Louis Downer Tracy / N. A. C. Smith / Oliver Bowles / Raymond B. Ladoo / Robert John Anderson / Roy R. Hornor / Sidney Hershberg Katz / Thomas Thornton Read / Thomas Varley / Winslow Hobart Herschel / A. A. Straub / A. B. Hooker / A. T. Strunk / Arthur L. Murray / B. W. Dyer / C. C. Stevenson / James Neil / Lewis Evens Jackson / Maurice Bacon Cooke / R. A. Kearns / Spencer Pritchard Howell / William Hawes Coghill / A. D. Bauer / George William Jones

OSU:32435067622514

Aluminum

Charles Edward Munroe / Spencer Pritchard Howell

UOM:39015086555276

Blasting

Robert M. Strong (Mechanical engineer) / Charles Lathrop Parsons / Clarence Hall / George Arthur Burrell / George S. Pope / Harold Hayward Clark / Herbert Michael Wilson / Nelson Horatio Darton / Samuel B. Flagg / Frank Meyers Seibert / Lauson Stone / Spencer Pritchard Howell

CUB:P105140911001

Alcohol motors

Spencer Pritchard Howell

UOM:39015077565664

Coal mines and mining

Spencer Pritchard Howell

UOM:39015077566464

Explosives

Clarence Hall / Dorsey Alfred Lyon / Harold Hayward Clark / Nelson Horatio Darton / Richard Bishop Moore / Karl Ludwig Kithil / Ralph W. Crocker / Robert Mayro Keeney / Spencer Pritchard Howell

OSU:32435026701789

Coal mine accidents

Clarence Hall / Spencer Pritchard Howell

UOM:39015077560277

Explosives

William Waugh Adams / Byron Matthew Bird / Albert John Kraemer / Arno Carl Fieldner / B. Marvel O'Harra / Byron Oscar Pickard / Carl A. Taylor / Clyde Elmer Williams / Daniel Harrington / Earl Renwick McMillan / Edmund Spriggs Leaver / F. C. Gregory / F. C. Houghten / George William Jones / Harold Carl Miller / Horace Wadsworth Gillett / J. E. Crawshaw / J. J. Jakosky / Lee Clyde Ilsley / Martin J. Gavin / Mayo Dyer Hersey / N. F. Le Jeune / Nicholas Arthur Clarke Smith / O. P. Hood / Oliver Bowles / Ronald Van Auken Mills / Royd Ray Sayers / S. H. Brooks / Spencer Pritchard Howell / Thomas Thornton Read / United States. Bureau of Mines / W. W. Odell / William John McConnell / William Marsh Myers / Charles Edward Munroe / Constantin Promos Yagloglou / D. D. Stark / E. W. Butzler / Edward Lawrence Mack / Edward Phillip Barrett / H. B. Brunot / H. E. Messmore / H. M. Smith / I. H. Nelson / Lewis C. Karrick / Max Wilhelm Von Bernewitz / R. V. Thurston / Sidney Hershberg Katz / Thomas Leonard Joseph / William Parks Yant / Bernard Marvin Larsen / Dewey A. Reynolds / E. P. Buxton / L. P. Calkins / Percy Hoke Royster

OSU:32435067622571

Air flow

Arthur William Fahrenwald / Daniel Harrington / E. J. Schneider / E.C. Lane / Edward Phillip Barrett / Ernest J. Gleim / F. A. Hartgen / Frank Arthur Patty / Frank S. Wartman / Fred Daniel DeVaney / G. B. Shea / George Leslie Oldright / George Samuel Rice / George St. John Perrott / Gordon Ray Hopkins / John D. Sullivan / John Gross / L. C. Ilsley / Ludwig Schmidt / Noah Arthur Tolch / Oliver Bowles / Percy Nicholls / R. D. Leitch / Scott Turner / Selwyne Perez Kinney / Spencer Pritchard Howell / William Wallace Odell / William Parks Yant / Alva Britt Hooker / Charles Wilson Ambler / D. B. Gawthrop / David F. Smith / Harold Putnam Greenwald / J. B. Shohan / S. R. Zimmerley / Virgil Miller / W. T. Boyer / Alan Probert / Colin Alexander Taylor / Henry C. Howarth / R. R. Sayers

OSU:32435067622357

Aromatic compounds

Clarence Hall / Spencer Pritchard Howell

UCAL:$B80001

Detonators

Charles Enzian / Charles L. Wright / Clarence Hall / George S. Pope / George Samuel Rice / Herbert Michael Wilson / Joseph Theophilus Singewald / Joseph Wesley Thompson / Orniz Porter Hood / Spencer Pritchard Howell

OSU:32435026701797

Anthracite coal

Spencer Pritchard Howell

UOM:39015077559840

Explosives

Spencer Pritchard Howell / James Washington Paul / Jacob Leighty Sherrick

UOM:39015077567991

Explosives

N. F. Le Jeune / A. D. Bauer / Byron Oscar Pickard / John Robert Reeves / Theodore Earl Swigart / Arno Carl Fieldner / C. E. Sims / C. L. Colburn / Charles Edward Munroe / Clyde Elmer Williams / Craig Miller Bouton / Daniel Harrington / Edward H. Denny / Ernest J. Gleim / Eugene Delos Gardner / George Samuel Rice / George William Jones / Henry Alfred Doerner / Henry Kreisinger / Hilary Breton Brunot / J. J. Jakowsky / John Allen Davis / Joseph Dana Davis / Lee Clyde Ilsley / Leonard Greenburg / Ludwig Schmidt / Nicholas Arthur Clarke Smith / Oliver Bowles / Raymond Bardeen Ladoo / Robert John Anderson / Ronald Van Auken Mills / Royd Ray Sayers / Rudolf H. Kudlich / Sidney Hershberg Katz / Spencer Pritchard Howell / Thomas Varley / William Albert Dunkley / William Marsh Myers / William Melvin Weigel / William W. Odell / William Waugh Adams / H. B. Freeman (Jr.) / Alva Britt Hooker / George Wetherall Smith / Harry Mac Cooper / J. E. Crawshaw / James Washington Paul / John Blizard / L. G. Marsh / Maurice Bacon Cooke / Max Wilhelm von Bernewitz / Paul Hopkins / William Parks Yant / Fred Davidson Osgood / Lawrence Bursley Berger

OSU:32435067622548

Air

Eugene Delos Gardner / Spencer Pritchard Howell / George W. Jones

UIUC:30112104112245

Blasting

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

Daniel Harrington / Spencer Pritchard Howell

UOM:39015077565276

Explosives

Ben Edwin Lindsly / Charles George Maier / Harmon Edward Keyes / Harold Carl Miller / Spencer Pritchard Howell / William Waugh Adams / W. B. Berwald

OSU:32435026701318

Anthracite coal

Daniel Harrington / A. R. Elliott / Arno Carl Fieldner / Arthur Edward Wells / Arthur Warren Ambrose / Byron O. Pickard / C. Lorimer Colburn / Carl Alton Allen / Charles Edward Munroe / Cleve Edwin Kindall / Clifford Pinkney Bowie / Donald B. Dow / Earl Renwick McMillan / Ernest Woodward Dean / Eugene Delos Gardner / Frederick Gardner Cottrell / George Samuel Rice / Harry Earle Tufft / Harry H. Hill / James Ogier Lewis / John Allen Davis / John Gross / John Joseph Vincent Forbes / Lionel Herman Duschak / Martin Joseph Gavin / Nicholas Arthur Clarke Smith / Oliver Bowles / Raymond Bardeen Ladoo / Reinhardt Thiessen / Royd Ray Sayers / Sidney Hershberg Katz / Spencer Pritchard Howell / Willard Walker Cutler / William Wallace Odell / William Waugh Adams / Walter Abraham Jacobs / E. W. Dyer / J. E. Crawshaw / L. H. Sharp

OSU:32435067622506

Asbestos

Spencer Pritchard Howell / Joseph Edgar Tiffany

UOM:39015077565870

Blasting

Eugene Delos Gardner / Spencer Pritchard Howell

UOM:39015078542878

Blasting

Eugene Delos Gardner / George Randolph Hopkins / H. Britton / William Waugh Adams / Spencer Pritchard Howell / George W. Jones

OSU:32435026701367

Blasting

Anna L. Spencer

WISC:89066039215

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

Daniel Harrington / A. R. Elliott / Arno Carl Fieldner / Arthur Edward Wells / Arthur Warren Ambrose / Byron O. Pickard / C. Lorimer Colburn / Carl Alton Allen / Charles Edward Munroe / Cleve Edwin Kindall / Clifford Pinkney Bowie / Donald B. Dow / Earl Renwick McMillan / Ernest Woodward Dean / Eugene Delos Gardner / Frederick Gardner Cottrell / George Samuel Rice / Harry Earle Tufft / Harry H. Hill / James Ogier Lewis / John Allen Davis / John Gross / John Joseph Vincent Forbes / Lionel Herman Duschak / Martin Joseph Gavin / Nicholas Arthur Clarke Smith / Oliver Bowles / Raymond Bardeen Ladoo / Reinhardt Thiessen / Royd Ray Sayers / Sidney Hershberg Katz / Spencer Pritchard Howell / Willard Walker Cutler / William Wallace Odell / William Waugh Adams / Walter Abraham Jacobs / E. W. Dyer / J. E. Crawshaw / L. H. Sharp

OSU:32435067622506

Asbestos

William Waugh Adams / Byron Matthew Bird / Albert John Kraemer / Arno Carl Fieldner / B. Marvel O'Harra / Byron Oscar Pickard / Carl A. Taylor / Clyde Elmer Williams / Daniel Harrington / Earl Renwick McMillan / Edmund Spriggs Leaver / F. C. Gregory / F. C. Houghten / George William Jones / Harold Carl Miller / Horace Wadsworth Gillett / J. E. Crawshaw / J. J. Jakosky / Lee Clyde Ilsley / Martin J. Gavin / Mayo Dyer Hersey / N. F. Le Jeune / Nicholas Arthur Clarke Smith / O. P. Hood / Oliver Bowles / Ronald Van Auken Mills / Royd Ray Sayers / S. H. Brooks / Spencer Pritchard Howell / Thomas Thornton Read / United States. Bureau of Mines / W. W. Odell / William John McConnell / William Marsh Myers / Charles Edward Munroe / Constantin Promos Yagloglou / D. D. Stark / E. W. Butzler / Edward Lawrence Mack / Edward Phillip Barrett / H. B. Brunot / H. E. Messmore / H. M. Smith / I. H. Nelson / Lewis C. Karrick / Max Wilhelm Von Bernewitz / R. V. Thurston / Sidney Hershberg Katz / Thomas Leonard Joseph / William Parks Yant / Bernard Marvin Larsen / Dewey A. Reynolds / E. P. Buxton / L. P. Calkins / Percy Hoke Royster

OSU:32435067622571

Air flow

Clarence Hall / Spencer Pritchard Howell

UOM:39015077560657

Explosives