Ernst Haeckel was an eminent German biologist, naturalist, physician and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology. (Wiki)
The categorical imperative is the central philosophical concept in the deontological moral philosophy of Immanuel Kant. Introduced in Kant's 1785 Grounding for the Metaphysics of Morals, it may be defined as a way of evaluating motivations for action. According to Kant, human beings occupy a special place in creation. He defined an imperative as any proposition declaring a certain action (or inaction) to be necessary.
William Morris was, in my humble opinion, the most brilliant pattern designer who ever lived. I have posted a few examples here but can't even claim they are my favorite because there is no way to choose. Each one is spectacular.