Add major contributors to README

README.md

@@ -26,3 +26,20 @@ See the [documentation](http://openmmtools.readthedocs.io) at [ReadTheDocs](http
 #### License
 
 OpenMMTools is distributed under the [MIT License](https://opensource.org/licenses/MIT).
+
+#### Contributors
+
+A complete list of contributors can be found [here](https://github.com/choderalab/openmmtools/graphs/contributors)
+
+Major contributors include:
+
+* Andrea Rizzi `<[email protected]>` (WCMC)
+* John D. Chodera `<[email protected]>` (MSKCC)
+* Levi N. Naden `<[email protected]>` (MSKCC)
+* Patrick Grinaway `<[email protected]>` (MSKCC)
+* Kyle A. Beauchamp `<[email protected]>` (MSKCC)
+* Josh Fass `<[email protected]>` (MSKCC)
+* Bas Rustenburg `<[email protected]>` (MSKCC)
+* Gregory Ross `<[email protected]>` (MSKCC)
+* David W.H. Swenson `<[email protected]>`
+* Hannah Bruce Macdonald `<hannah.brucemacdonald>` (MSKCC)