What were the chief concerns of enlightment most prominent representatives, and what connection did their approach to social problems have with the scientific Revolution?

This site will give you help on the concerns of the Enlightenment philosophers.

http://www.wsu.edu/~brians/hum_303/enlightenment.html

There are a number of sites here that show the relationship between social problems and the Scientific revolution

http://www.google.com/search?hl=en&ie=ISO-8859-1&q=Scientific+revolution+relationship+to+social+problems&btnG=Search