Since he made efforts to reduce the bad living conditions that were evident during his period for the poor people, I think it would be full of hard working people. He would find ways for people to get better living conditions and create employment. He is also known for his efforts to help impoverished New York City and he wrote about them and had photography on them too. It would be a changing slum focused on making situations better without waiting for any sort of assistance. You can get more information on him at http://en.wikipedia.org/wiki/Jacob_Riis.