![Problem Department]()
Problem DepartmentE. C. Kennedy, Paul D. Thomas, Davis P. Richardson, D. L. MacKay, G. W. Wishard, M. S. Robertson, Margaret Woods, Walter B. Clarke, V. Thebault, C. W. Trigg, A Wag, C. C. Chaudoir, N. A. Court, H. S. Grant and Robert C. Yates · National Mathematics Magazine · 1940