# Credits

Thanks to Guido van Rossum for the idea of using Python for implementing a graph data structure http://www.python.org/doc/essays/graphs.html

Thanks to the following people who have made contributions to NX:

> - Katy Bold contributed the Karate Club graph
> - Hernan Rozenfeld added dorogovtsev_goltsev_mendes_graph and did stress testing
> - Brendt Wohlberg added examples from the Stanford GraphBase
> - Jim Bagrow reported bugs in the search methods
> - Holly Johnsen helped fix the path based centrality measures
> - Arnar Flatberg fixed the graph laplacian routines