Rita Levi-Montalcini

It is imperfection - not perfection - that is the end result of the program written into that formidably complex engine that is the human brain, and of the influences exerted upon us by the environment and whoever takes care of us during the long years of our physical, psychological and intellectual development.

By the end of the millennium, despite the continuing excitement of the field, almost thirty years of a detour from chemistry to medical imaging began to pall, and I changed my focus to a field of chemical research, just in time for my past to catch up with me in the form of a Nobel Prize. All detours should be so productive!