No one can fail to stand in awed ( 令人敬畏的 ) admiration of the great discoveries of history—Newton' s laws of motion; Kepler' s principles of planetary movement, Einstein' s general theory of relativity. Equally awe-inspiring are artistic creations in painting, theatre, music and literature, which have also been brought about by discovery through personal efforts.What do these extraordinary achievements of well-known scientists and artists have to do with problem solving?