Photographic Coaching
Antonio Leanza is simply the best coach around. He founded The London School of Photography to provide education and training in analogue and digital photography.
http://www.lsptraining.com/
Street photography
A site i Particularly enjoy, some great shots ad has a great links page
http://www.streetphoto.fsnet.co.uk/default.htm
The photographic image and famine
This is a magnificant site, but it makes hard viewing
http://www.imaging-famine.org/
Sebastiao Salgado
The great documentary photographer
http://www.terra.com.br/sebastiaosalgado/
Steve McCurry
The best colour photojournalist.
http://www.stevemccurry.com/
Magnum
Probably the best photo agency in the world.
http://www.magnumphotos.com
Martin Fuchs
Good site of a Magnum employee, some good workflow suggestions
http://www.journalofaphotographer.com/
Masters of Photography
Great site of the best of the best
http://masters-of-photography.com/