He was one of America’s leading social scientists, here is one appreciation. Here is his Wikipedia page. Here is a 1995 interview with Reason magazine. Here is Wilson on scholar.google.com. Here is his address on the moral sense (pdf). Here is one of his famous essays on police behavior. Here are some remarks in praise of Wilson. Here are many more links.
I think of him as one of the few people who had a truly famous and memorable middle initial.