I started teaching in '76 and I'd been a photographer at the Geographic for six years. But prior to being at the Geographic I was a teacher. Plus my parents were teachers and my brother and my grandparents. So it was the culture of our family to think about teaching, to talk about teaching, to talk about teachers.

The class that I teach is called "The Life of a Photograph." It takes up the question, of the billion photographs that were taken today, how many will have a life, and why? So the new reality has made the question more pertinent, not less pertinent.

The longer we lived with it the more we wanted something less about process and more about life.

For spiritual companions I have had the many artists who have relied on nature to help shape their imagination. And their most elaborate equipment was a deep reverence for the world through which they passed. Photographers share something with these artists. We seek only to see and to describe with our own voices, and, though we are seldom heard as soloists, we cannot photograph the world in any other way.

I had a book come out several years ago, when there were no blogs. This is a mark to me about how the environment has changed.

My Dad took a workshop from a photographer who worked at the Toledo Blade, a newspaper I delivered. I knew this photographer's work. My Dad took a night class from him at the University of Toledo. Without that class, I wouldn't have become a photographer, because my Dad came home and taught me what he learned in class.

Increasingly, it's people not interested in National Geographic.