Credit for doing the most to crack this puzzle goes to Ernst Mayr, perhaps the greatest evolutionary scientist of the twentieth century. Along with Theodosius Dobzhansky, George Gaylord Simpson ...
A. Bulatov, P. Mayr and Á. Szendrei. The subpower membership problem for finite algebras with cube terms. Log. Methods Comput. Sci. 15, no. 1, Paper No. 11, 48 pp ...