![Problem Department]()
Problem DepartmentWalter B. Clarke, C. W. Trigg, Yudell Luke, W. L. Roberts, H. S. Grant, C. N. Mills, E. P. Starke, J. Rosenbaum, Albert Farnell, Gaines B. Lang, Leo F. Epstein, W. V. Parker, D. L. MacKay, H. A. Simmons, Janet Rung, Harry M. Gehman, Virgil S. Mallory, V. Thebault, Altheod Tremblay, Robert C. Yates and C. Bull Foster · National Mathematics Magazine · 1940