![Problem Department]()
Problem DepartmentRaymond A. Lyttleton, F. C. Gentry, Dewey C. Duncan, C. W. Trigg, V. Thebault, Johannes Mahrenholz, Robert C. Yates, J. Rosenbaum, C. L. Steininger, H. A. Simmons, Leo F. Epstein, Walter B. Clarke, D. L. MacKay, H. S. Grant, H. T. R. Aude and Nathan Altshiller-Court · National Mathematics Magazine · 1939