The image above is a fragment of a network of research collaboration in philosophy. The full version can be downloaded below. A necessary criterion for drawing an arc between two people is that they have authored some published or forthcoming research together. I've organised the graph so that those on the same row share the same Erdös number. (For those who have not heard of Erdös numbers, look here) To lend a bit of parochial interest to the graph, I've coloured the nodes of Monash-associated people in various ways to help them stand out.
If you know any other philosophers with Erdös numbers, or if you think there are some corrections to be made, please get in touch by email.