John Harrington has built a photography business that has been successful, with income having risen ten-fold since he started. He is a teacher that can communicate to an audience. He has spoken in the past at courses and meetings of The NPPA's Northern Short Course, The White House News Photographers Association, Smithsonian Institution, Corcoran School of Art and Design, American Society of Media Photographers Capital Region, University of Maryland, Northern Virginia Community College, Trinity College, and the Northern Virginia Photographic Society. He has worked for over 16 years as an activ...