1989 - Willard E Goodwin & Harry M Spence
1991 - Frank Hinman Jr
1993 - Dara K Karanjavala
1995 - Edward P Arnold
1997 - Frans M Debruyne
1999 - William R Turner Jr
2001 - E Darracott Vaughan
2003 - Michael Marberger & George Webster
2005 - Donald Coffey
2007 - Urs E Studer
2009 - Ralph Clayman
2011 - Jens-Uwe Stolzenberg
2013 - Glenn Preminger
2015 - Mark Soloway
2017 - Anthony Costello
2019 - Alex Mottrie (image)
2021 - Manu Menon
2023 - Rajeev TP (image)
1990 - Rudolf Hohenfellner
1992 - Mohammed Ghoneim
1994 - Adib H Rizvi & Ernst K Zingg
1996 - Robert D Jeffs & James F Glenn
1998 - J Lester Eshleman
2000 - Fritz H Schröder
2002 - Howard Snyder III
2004 - Andrew Novick
2006 - John Quartey (posthumously) & Inderbir Gill
2008 - Jack McAninch
2010 - Steven K Wilson
2012 - Mahesh Desai
2014 - Culley Carson
2016 - Jay Smith
2018 - Alan Partin
2020 - Margaret Pearle
2022 - Olivier Traxer (image)
2024 - Sanjay Kulkarni