| 1990 | Mike Wenz |
| 1992 | George Greenstein, Doug Mcgonagle, Bernie Volz |
| 1993 | Bob Douglas, Mary Kohler, Steve Pielock, Ron Zissell |
| 1994 | John Davis |
| 1995 | Jerry Rushford, Pat Rushford |
| 1997 | Chuck Musante |
| 1998 | Zhenye Mei |
| 1999 | Peter Scherff |
| 2000 | Steve Curtis, Jim Downing, Brad Miller, Rich Phillips |
| 2001 | Aaron Hayden, John Spinetti |
| 2002 | Dhiraj Vattem |
| 2004 | Kevin Collins |
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Recipient - Contribution to Astronomy Award |