He has always sought mastery over the materials of his environment . . .
He holds the heat of suns within his hands and threatens with it
both the lives and happiness of his unborn descendants.
     Man, in the words of one astute biologist, is "caught in a physiological
trap and faced with the problem of escaping from his own ingenuity."

LOREN EISELEY              

[Photograph: Eliot Porter from The Place No One Knew]