Before revision: E. L. Thorndikes: (1874-1949) Puzzle box Both Edward Thorndike ’ s puzzle boxes and PhD thesis, penned in 1898 at Columbia University, were modelled off previous work by Romanes and Morgan.
After revision: E. L. Thorndikes: (1874-1949) Puzzle box Both Edward Thorndike ' s puzzle boxes and PhD thesis, penned in 1898 at Columbia University, were modelled off previous work by Romanes and Morgan.