YEAR | AWARD WINNER | CONSIDERATIONS |
| 1992 | Rodger Shepherd | for co-founding The Oughtred Society, for starting and publishing the Journal of the Oughtred Society in the early years, for major contributions in organizational activities, and for research, Journal papers and continent-bridging translations |
| 1993 | Robert K. Otnes | for co-founding The Oughtred Society, for starting and publishing the Journal of the Oughtred Society and for building it as Editor and often as author over the past 14 years into the quality publication which is now The Oughtred Society's flagship product, and for extensive research of the history of slide rules |
| 1994 | Conrad Schure | for researching the history of slide rules, for authoring many articles since the early 1990s in the Journal of the Oughtred Society, for serving the Society as Regional Advisor and since 2000 as Treasurer, and for organizing and hosting the Society's East Coast Meetings for many years |
| 1995 | IJzebrand Schuitema | for organizing slide rule collectors into the Dutch Circle, for his impressive series of national and international expositions and research publications, and for his leading role in the organization of the first International Meeting IM1995 in Utrecht and later meetings |
| 1996 | Colin Barnes | for rallying slide rule collectors into the United Kingdom Slide Rule Circle, for research and publishing of many articles, facsimiles and transcriptions of originals, for editing the 'Skid Stick' magazine, the 'Slide Rule Gazette', and for his substantial role in the organization of the International Meeting IM1996 in Cambridge and later meetings |
| 1997 | Dieter von Jezierski | for writing the first modern book on slide rules, for his substantial role in the organization of the International Meeting IM1997 in Stein, and for sharing his wide expertise acquired as collector and as former employee at Faber-Castell in numerous research publications and communications |
| 1998 | Heinz Joss | for his research and publications especially on Swiss slide rules and for his leading role in the organization of the International Meeting IM1998 in Huttwil |
| 1999 | Peter M. Hopp | for writing his extensive reference book on slide rules, for his organizational activities in the UKSRC and United Kingdom-based International Meetings, for co-editing the 'lide Rule Gazette' and for publishing many diverse research studies and articles |
| 2000 | Hans & Irene Dennert | for preserving, organizing and sharing the extensive Dennert / ARISTO archive and collection with museums and collectors, and for intensively supporting, publishing and presenting studies of the history of their company |
| 2001 | Andrew D. Davie | for starting the first major slide rule website "Slide Rule Trading Post" and the "Slide Rule Forum" discussion group on the internet, reaching many hundreds of international slide rule collectors with highlights like the first slide rule emulator, the Soviet calculators collection, and the "slide rule with digital display" hoax |
| 2002 | Michael O'Leary | for stimulating and moderating internet discussions on the "International Slide Rule Group" knowingly and kindly, and for researching and publishing comprehensive studies and catalogues, especially on Keuffel & Esser and Pickett slide rules |
| 2003 | Herman van Herwijnen | for co-founding the Dutch Circle and for collecting over some 15 years data and images of many thousands of slide rules and publishing this treasure of information in the digital "Slide Rule Catalogue" |
| 2004 | Klaus Kühn | for rallying German slide rule collectors into the Rechenschieber Sammler Treffen group, for his leading role in the organization of the International Meeting IM2001 in Munich and IM2004 in Bad Driburg, and for initiating and co-editing the comprehensive reference book "Dennert & Pape / ARISTO 1872 - 1978" |
| 2005 | Thomas Wyman | for researching the history of slide rules, for authoring many articles in the Journal of the Oughtred Society and for serving the Society as Member and Officer, since 1997 as President |
| 2006 | Walter Shawlee II | For drawing over the past 10 years more than half a million visits to his striking website "Slide Rule Universe", combining with commercial offers a wealth of information on slide rules and their operation, manuals, brands, types, construction, maintenance and history, thereby encouraging many beginning slide rule enthusiasts. Also for his support of The Oughtred Society by promoting the Society in his website activities and by his involvement in the OS Slide Rule Reference Manual |
| 2007 | Rod Lovett | for creating in 2004, maintaining and extending a number of powerful and user-friendly online database and search engines, to look for many facets of slide rule information:Literature Search and Retrieval, eBay Search, ISRG and Forum Archive, and more recently Herman's Archive. These information services have made the accumulated slide rule knowledge widely available to every collector, anytime and anywhere |
| 2008 | Otto van Poelje | for his many contributions to the OS Journal and Slide Rule Gazette, his continuous contributions to the Dutch "Kring" and international organizations, as Regional Director-Europe, for serving as a member of the Board of Directors of the Oughtred Society and for taking a leading role in all the International Meetings held in The Netherlands |
| 2009 | Werner Rudowski | for his research of mainly English and German historical 17th to 19th century slide rules, resulting in high quality ground-breaking publications for in the JOS, Skid Stick and the SR Gazette as well as for the RST and Proceedings. Since 2004 he wrote 29 papers. for the publication of the "Pocketbook of the Gauge Marks" |
| 2009 | Michael (Mike) V. Konshak | for his strong influence in the world of slide rule collecting, archiving of information for all collectors for downloading at sliderulemuseum.com, especially his education initiatives in his slide rules for schools program, and finally as as the OS webmaster. |
| 2009 | Werner Gerbardt & Werner Schmidt | for their research and efforts in keeping historical calculating techniques alive, at Ernst Moritz Arndt University in Greifswald not only in the former GDR, but for the whole of the Eastern European countries, investing a lot of private energy organizing symposiums. |
| 2010 | Ted Hume | for masterminding many of the "behind the scene"s OS activities and motivating the army of needed OS volunteers to carry out all sorts of projects, for becoming an Associate Editor and coordinator for the submission of all articles and ensuring that the JOS is now back on its original Spring-Fall publication cycle and as author or main editor for many ground-breaking and successful OS publications |
| 2010 | Peter Holland | or building, maintaining and acting as web-master for the popular and informative RST website for German speaking slide rule collectors, for publishing the acclaimed "Rechenschieber/Slide Rules A.W. Faber/ A.W. Faber-Castell" encyclopaedia and for his many well-prepared contributions to international collector publications, the International Meetings for Collectors (IM's) and national RST meetings |
| 2011 | Bob Koppany | for the creative effort that brought about the "new look" to the JOS - in particular as the designer of the new front cover, new layout, use of colour and organising new contacts and agreements with the printer, for doing a superb job as the new Editor of the JOS and many hours of typesetting and for the pioneering graphic design and layout of many other OS publications such as: "The Slide Rule Reference Manual" |
| 2011 | David Rance | for his many excellent and well-researched presentations and articles, often on unusual items and made very entertaining and humorous, for his willingness and invaluable assistance to our German authors to improve the English translation of their articles, and for his help and involvement in both KRING and the OS, by helping to drive committees, improvements and activities in our global collecting community |
| 2012 | George Kean | for his research on the history of the Festus Mfg. Co. and its successor The Acu-Rule Mfg. Co. His work has been a valuable tool for all slide rule collectors. George unselfishly helped other people in their research of the Acu-Rule Mfg. Co. He was an early donor of the Slide Rule Loaner program for schools. His donor set of Acumath 400 slide rules are always out on loan to schools. |
| 2013 | Clark McCoy | for smoothly running since 2006 all administrative and financial tasks in the Oughtred Society to such perfection that not many members realize the quality and quantity of his work; in addition for his publications and his mccoys-kecatalogs.com website on Keuffel & Esser, his special field of interest. |
| 2014 | Karl Kleine | for his driving force in organizing in Germany many RST meetings and the International Meeting IM2013, and for the editing and publication of the Proceedings books of IM2013 and especially of IM2004, being the most extensive Dennert & Pape - ARISTO book on the firm's history, products, brochures, manuals etc |
| 2014 | David Sweetman | for assuming in 2012 the challenging job of Managing Editor of the Journal of the Oughtred Society, and advancing the Journal's quality in timeliness, contents, lay-out, format and formatting tools used; in addition for his editorship of the IM2011 Proceedings and his crucial role in all other publication activities of the Oughtred Society. |
| 2015 | Ed Chamberlain | for his research over many years on long-scale slide rules, his systematic catalogues and publications, his special services to the Oughtred Society such as the publication of the OS Newsletter, and his US ambassador role at most of the IMs in Europe. |
| 2015 | Chris Hakkaart | for his unwavering chairmanship of the Dutch KRING over the last 15 years, and for his stimulating leadership in organaising four successful IMs in the Netherlands IM2003, 2007, 2010 and 2014, adding to each programme specials such as a "theme", a participants gift, the partners' outing,and more. |
| 2016 | Gunter Kugel | for sharing his wide-ranging knowledge of slide rules with fellow collectors and researchers over the past 25 years in publications, numerous meeting discussions and private communications. |
| 2017 | Robert De Cesaris | for his 10-year service to the Oughtred Society as President, for his publications on historical slide rules, and for his leading role in the organization of the International Meetings in the USA: IM2011 in Cambridge MA, and IM2015 in Burlingame, CA. |
| 2017 | W. Richard Davis | or his active membership of the OS Board since 2010, contributions to organization of national OS meetings, the OS Journal, management of the OS website, creating Galleries and Archives of Collections, and other work in the OS Publications Group. |
| 2018 | Prof. Dr. Bernhard Korte | for founding the Arithmeum Museum in Bonn, and for making it a unique and outstanding institution world-wide, both with its collection and presentation and for his influential research into discrete optimisation crucial for the design of modern computers |
| 2018 | Prof. Dr. Ina Prinz | for her Directorate of the Arithmeum in Bonn and her endeavours to expand its collection by donations, acquisitions and building replicas, as well as her support by hosting events for collectors such as the RST |
| 2018 | Richard Smith Hughes | for sharing over the past 15 years his deep knowledge of special slide rules and scales in some 40 publications, in various specialised fields such as engineering and surveying. This has been collected into a special OS Publication 'Specialised slide rules for Electronic Engineers |
| 2021 | Andries de Man | for sharing his vast knowledge of calculating instruments with collectors in The Netherlands and abroad, by publishing a wide variety of articles, by maintaining the Dutch website http://www.rekeninstrumenten.nl/, by participating in the organisation of many events such as the last IM2019 in the Netherlands and by always giving sound answers to any question, trivial or academic, about any calculating instrument. |
| 2024 | Nico Smallenburg | TO BE PROVIDED |
| Robert Adams | Howard W. Andrews | Bruce E. Babcock |
| Colin Barnes | Joseph Bento | Don Black |
| Rick Blankenhorn | Brian Borchers | Jim Bready |
| Herbert Bruderer | Steven Casey | John Catlow |
| Clay Castleberry | Cyril B.J. Catt | Jim Cerny |
| Edwin J. Chamberlain | Tina Condon | Andrew D. Davie |
| Richard Davis | Andries de Man | Deborah Douglas |
| Robert de Cesaris | Stefan Drechsler | Barry Dreikorn |
| Jose Fernandez | Gary Flom | Alex E. S. Green |
| Chris Hakkaart | Wolfgang Irler | Peter Holland |
| Richard Smith Hughes | Peter M.Hopp | Ted Hume |
| Dieter von Jezierski | Heinz Joss | Craig Kielhofer |
| Karl Kleine | Ron Knapp | Michael Konshak |
| Jochen Konrad-Klein | Robert Koppany | Hans Kordetsky |
| Klaus Krämer | Gunter Kugel | Klaus Kühn |
| Wayne Lehnert | Timo Leipälä | Brian Lloyd |
| Ian Lodge | Rodney Lovett | Leo vander Lucht |
| Dennis Maack | Eli Maor | Nicola Marras |
| Gonzalo Martin | Tom Martin | Steven Mays |
| Kate Matthews | Jerry McCarthy | Paul McConnell |
| Clark McCoy | Jerome McKenna | Marion Moon |
| David McFarland | John Mosand | Jurgen Nestler |
| Robert K Otnes | Jacques Perregaux | Osborne Price |
| Bryan Purcell | Caesar Quiroz | David Rance |
| David Riches | Ronald van Riet | William K. Robinson |
| Willy Robbrecht | Paul Ross | Werner Rudowski |
| Thomas A. Russo | Simon van der Salm | Robert J. Sauer |
| Georg Schreiber | IJzebrand Schuitema | Conrad Schure |
| Walter Shawlee II | Rodger Shepherd | David Siminovitch |
| Joseph Soper | Carl Strange | David Sweetman |
| Marc Thomas | Otto E. van Poelje | Daniel Toussaint |
| Pierre Vander Meulen | Panagiotis Venetsianos | David Walker |
| Stephan Weiss | Hubert Weikert | Thomas Wyman |
| Jorge Fabregas Zazza | Nathan Zeldes | Detlef Zerfowski |