Freeman TildenFreeman Tilden (1883-1980) was a pioneer in the field of natural and cultural interpretation. A former journalist, playwright, and novelist, he began writing about America's national parks in the 1940s with the encouragement of National Park Service irector Newton Drury. This led to four books on visiting, learning, and teaching about national and state parks and other heritage areas, of which "Interpreting Our Heritage" remains the most influential. Read More Read Less