![Problem Department]()
Problem DepartmentDewey C. Duncan, Harold S. Grant, Paul D. Thomas, Gerald B. Huff, Richard L. Seidenberg, Leon Shenfil, G. W. Wishard, Morris Chernofsky, W. V. Parker, V. Thebault, D. L. MacKay, Walter B. Clarke and H. T. R. Aude · National Mathematics Magazine · 1941