One thought about amateurs: Consider the role of the "outlaw" (or "amateur researcher") in the history of humanity. Since the first arboreal primate descended to the ground ("looks like some good fruit laying down there...") while his family called from the limbs above, "get back up here, the lions will eat you," every significant step on our long road from those trees has been made by an "outlaw" or "amateur researcher" (and miscellaneous other misfits) who defied conventional wisdom, challenged the dominant paradigm and made each important incremental step that is part of what we have come to call "progress." Looking back through history at that first "amateur researcher" who climbed down from the tree, aren't we all his/her children?