It is with great pleasure that The Oughtred Society Award Committee hereby establishes The Oughtred Society Hall of Fame and welcomes in 2005 the following Winners of The Oughtred Society Award and Fellows of The Oughtred Society.


The Oughtred Society
 Hall of Fame

Winners of The Oughtred Society Award
For outstanding contributions to the world community
 involved with slide rules and historical calculating instruments










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


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


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


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


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


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


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


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 “Slide Rule Gazette”, and for publishing many diverse research studies and articles


Hans (1926-2000)
& 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


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


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


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”


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”


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


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


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.


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


Joe Soper

for sharing his knowledge and experience as ex-employee of Keuffel & Esser in articles and in his book "K&E Salisbury Product Division Slide Rules" on Design and Production of Slide Rules, especially the Deci-Lon


Panagiotis (Pano)

for his work in collecting Gauge Mark names and values and for the publication of the "Pocketbook of the Gauge Marks"


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"


Michael (Mike) V. Konshak

for his strong influence in the world of slide rule collecting, archiving of information for all collectors for downloading at, especially his education initiatives in his slide rules for schools program, and finally as as the OS webmaster.


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.


Ted Hume

for masterminding many of the “behind the scenes” 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


Peter Holland

for 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


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"


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


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.


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 website on Keuffel & Esser, his special field of interest.


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.


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.


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.


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.


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.


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.


W. Richard Davis

for 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.


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


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


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'


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, 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.




Fellows of The Oughtred Society

For substantial contributions to The Oughtred Society



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
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