2017

R. Anthony Rolle

 

2016

Matthew R. Della Sala and Robert C. Knoeppel

 

2015

Lisa Driscoll, Robert Knoeppel, Mathew Della Sala, and Jim Watson

 

2014

Robert C Knoeppel and Matthew R. Della Sala

 

2013

Marilyn Hirth and Edward Eiler

 

2012

Nicola Alexander