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