Nearly everyone in this room has read his changes in the land. Indians, colonists, or natures metropolist. Some of you were there this morning on the 25th anniversary of that book. And then on Common Ground toward reinventing nature. He has been also a member of the Wilderness Society for some few decades or more, and as of 2014, serves as vice chair of the organizations governing townsy. Council. My own role working with the National Parks service goes back to the first collaborative agreemen