From Who's Who in Iowa, a Biographical Record of Iowa's Leaders in Business, Professional and Public Life, Des Moines: Iowa Press Association, 1940.
Thanks to Mona Sarratt Knight for contributing this information. She will do lookups in the Who's Who for the people listed here. .
| Aikman, William Frank | Jensen, Mrs. Milda Schmidt | Nielsen, Niels C. |
| Andersen, Edwin | Jensen, LeRoy Edward | Northup, Harry Allen |
| Andersen, L.J. | Jensen, Thorvald George | Oelke, George William |
| Arnold, Clark Sr. | Jessen, Peter Andrew | Oldaker, Leroy J. |
| Arnold, Harry Ambrose | Johnson, Frank A. | Parrott, John Calvin |
| Bagley, Frank | Jones, Guy S. | Payne, Roswell Herschel |
| Bagley, Lewis Charles | Kehrberg, Sidney Conkey | Petersen, Elvin Herman |
| Black, Howard Wayne | Keith, J. Clyde | Petersen, John Ingerman |
| Bonwell, John | Koehne, Frederick Dee | Peterson, Lars Peter |
| Bursheim, Peter Joseph | Koob, William Rosco | Plaehn, Ferdinand Fred |
| Campbell, George Alexander | Kopp, Levi Goembel | Rasmussen, Tony M. |
| Carlson, Elmer Gustav | Kraft, Earl | Rendleman, Flora S. |
| Chard, Roy | Kruse, Albert Andresen | Rendleman, John Houston |
| Childs, Ratford Francis | Liken, John Marvin | Repp, Austin C. |
| Christensen, Thomas | Lillehoj, Mrs. Johanna B. | Rice, Edward Clinton |
| Clark, Mrs. Blanch Shaffer | Lillehoj, Peter | Riley, John |
| Clemmesen, Fred Kristian | Lindholn, Holger | Ross, Carl Price |
| Dimick, J. Clyde | Liston, Arthur William | Ross, George M. |
| Dimick, John Melvin | McCall, George Marionn | Ross, Sam J. |
| Dimick, Mrs. Marietta Cook | McFadden, Frank H. | Rutherford, John LeRoy |
| Dozler, George Ludwig | McGinnis, Elwyn Malcom | Ryan, Leonard Laurence |
| Drehr, Emil G | McLeran, William Palmer | Sheley, Audubon |
| Ebert, George Edward | Mcquirk, Phil Sheridan | Smith, Henry George |
| Esbeck, Edward Theodore | Magnussen, Ethan Vilhelm | Soe, Peder |
| Frick, Daisy Adelaide | Mallonee, L. Dee | Sorensen, Andrew Marvin |
| Graham, John Anthony | Mantz, Clark Delmer | Spencer, Arnold Hansen |
| Graham, Lloyd Thomas | Mantz, Halleck J. | Steen, Hans Rasmussen |
| Halloran, William Herman | Manuel, Sam Tracy | Stone, Peter Anderson |
| Hansen, Andrew | Martin, Fred J. | Stubblefield, Edward Burton |
| Hansen, Ejner Christian Frederick | Masching, Orwin Wayne | Swanson, Ray Arnold |
| Hansen, Henry | May, William Hugh | Twenstrup, John Emil |
| Harvey, Alfred Wyman | Miller, Ira R. | Van Gorder, Edwin Stanton Jr. |
| Hensley, Charles Burton | Miller, Robert Lester | Wahlert, Edward John |
| Hensley, Walter Alonzo | Milliman, Leon Edgar | Wahlert, George |
| Herschel, Fred | Minerman, Walter Thomas | White, Charles Sumner |
| James, Ernest George | Morrow, Merrill Martin | White, Warren Draper |
| Jay, Wesley Hilborn | Mortensen, Hans Martin | Willis, Mrs. Ola Belle |
| Jensen, Alfred | Murphy, Frank Hiram | Wilson, Eugene Clarence |
| Jensen, Harvey Kellogg | Nelsen, Peter Martinus | Young, Edgar |
| Jensen, John Evald | Nelson, Mrs. Gertrude Steele |