Stephen Tyng Mather - Crater Lake
"Stephen Tyng Mather
July 4, 1867 - Jan 22, 1930
He laid the foundations of the National Park Service, defining and establishing the policies under which its areas shall be developed and conserved unimpaired for future generations. There will never come an end to the good that he has done."
One of 67 copies of a plaque commemorating Stephen Mather, found mostly in US National Park properties. (Discussion of their locations, including notes from one of Mather's family members, and embers of the long-burning feud between conservationists and preservationists here: http://yosemitenews.info/forum/read.php?1,18501,85452 )