- Howell, Warren Eugene, 1869-19433
- Pua, Chile3
- Crager, Cuno Parker, 1886-19451
- Emmenegger, Guillermo E., 1879-19661
- Montgomery, Oliver, 1870-19441
- Perry, Franklyn L., 1876-19611
- Thompson, Charles, 1868-19461
- Westphal, Joseph William, 1861-19491
- Williams, William Herbert, 1880-19611