- United States. Department Of Agriculture2
- Behre, C. Edward (Charles Edward), 1895 1
- Benson, A. O. (Arnold Orlando), 1886 1
- Jensen, Victor S. (Victor Sylvan), 1901 1
- Pierson, Albert H. (Albert Halsey), 1877 19481
- Reynolds, R. V. (Robert van Rensselaer), 1873 19481
- United States. Weather Bureau1