Wayne Andrews from street-people dot com.
In Andrews' postings on his Web site he refers to "street people" as "cockroaches, human sucker fish and parasites."
He describes a homeless man huddled and freezing on a snowy street as a human "ice sculpture.
By exposing the faces and stories of the street dwellers, Andrews said he hoped to shame both politicians and citizens alike into taking action to ensure that the street never has to serve as someone's home again.
And so he is in New Orleans hoping to help the city's homeless the same way he claims to have helped the homeless of Memphis.
Reaction from blogger Alan Gutierrez is here
here's the rest of the story