John Saylor
Dir. of Collection Development, National Science Digital Library
Dir. of Engineering Library, Cornell University (on leave until 10/06)
John M. Saylor is the Principal Investigator for the NSF- and IMLS-funded components of the KMODDL project. He has been the Director of the Engineering and Computer Science Library at Cornell University since 1988. He has been involved in many digital library efforts including the National Science Foundation (NSF) Synthesis Coalition from 1990-1995 and was co-Principal Investigator of Cornell University's portion of the core integration grant from NSF to build the National Science Digital Library (NSDL) from 2000 through September 2002. Currently he is on 80 percent leave from the Engineering Library while serving as Director of Collection Development for the NSDL through September 2004.

Francis Moon
Joseph C. Ford Prof. of Mechanical & Aerospace Engineering, Cornell University
Curator, Reuleaux Collection of Mechanisms and Machines, Cornell University
Professor Moon is a Co-Principal Investigator on the NSF- and IMLS-funded components of the KMODDL project and Curator of Cornell?s Reuleaux Collection. He is an internationally recognized expert on applied dynamics and has written widely on the history as well as the scientific and pedagogical utility of the Reuleaux mechanisms. Moon recently received a grant from the Alexander von Humboldt Foundation in Germany to support his research at the archive of the Deutsches Museum in Munich, Germany's premier science and technology museum. In Germany he has obtained photographs of kinematic models similar to Reuleaux's, as well as valuable documents related to the history of the Reuleaux collection.

David Henderson
Professor, Department of Mathematics, Cornell University
David Henderson is a Co-Principal Investigator on the NSF-funded component of the KMODDL project and the author or co-author, with Daina Taimina, of many of the KMODDL tutorials. He has been a professor in Cornell's Department of Mathematics and the graduate Field of Mathematics since 1966, and since 1970 has been a faculty member in the Graduate Field of Education. Henderson's research interests span geometry, infinite-dimensional topology, and educational mathematics. Henderson has directed Master's and PhD theses in both mathematics and education. In the mid-1980's Henderson initiated an in-service program, which has involved him directly with area mathematics teachers for the past 17 years. Henderson also collaborated in developing and staffing the program now known as Cornell Teacher Education. Henderson has written three textbooks (two of them with Daina Taimina) used extensively in mathematics courses for pre-service teachers.

Hod Lipson
Asst. Professor, Mechanical & Aerospace Engineering, Cornell University
Asst. Professor, Computing & Information Science Faculty, Cornell University
Hod Lipson is a Co-Principal Investigator on the NSF- and IMLS-funded components of the KMODDL project and an expert in the use of rapid prototype technology (3D printing) in machine design. He has been studying AI, robotics, evolution, and design automation for several years. His recent achievement in fully automated design and manufacture (the GOLEM project) was first to demonstrate physically working machines synthesized by self-organization processes. Lipson was previously a Research Scientist at Brandeis Computer Science and a Visiting Scholar and Lecturer at MIT?s Mechanical Engineering Department. He has broad industrial experience in mechanical, electronic and software design, as well as publications across a wide range of technologies in AI, learning, and Artificial Life. Lipson coordinates the creation of KMODDL?s stereolithographic files and interactive simulations.

Daina Taimina
Senior Research Associate, Department of Mathematics, Cornell University
Daina Taimina is a mathematics educator and research associate. She is author, or co-author with David Henderson, of many of the KMODDL tutorials and she collaborates with teachers and KMODDL?s Museum of Science partners to integrate kinematic mechanisms into middle school mathematics education. Taimina has been on the faculty of the Department of Physics and Mathematics, University of Latvia, from 1977 to 1996 and Visiting Associate Professor at Cornell University from 1997 to 2002. Taimina also has seven years experience as a secondary school teacher. Taimina holds PhDs in Theoretical Computer Science and in Mathematics. Since 1985, Taimina has organized numerous workshops for teachers in both Latvia and the United States. In addition, she has developed curricular materials that have been compiled into two resource books for mathematics teachers. Taimina has collaborated with Henderson on two geometry textbooks, two encyclopedia articles, and an article in the Mathematical Intelligencer about creating models for use in the teaching of non-Euclidean geometry.

Kizer Walker
KMODDL Project Manager, Cornell University Library
Walker received his Masters of Library Science from Syracuse University in 2001. He served as Digital Projects Librarian for Cornell?s Engineering, Mathematics, and Physical Sciences Libraries from 2001 to 2004. In that capacity, Walker played a key role in two major international scholarly communications projects in mathematics on which Cornell University Library is a collaborator and has managed the KMODDL project since its beginnings. In addition to his work on KMODDL, Walker is currently the coordinator for collection development for Cornell?s Olin Library and is a selector for library materials for multiple fields in the humanities. Walker holds a Ph.D. in German Studies from Cornell University (1999).

Ron Rice
Web Developer, Cornell University Library
Ron Rice worked as a Web Designer/Programmer in D-LIT (Digital Library and Information Technologies), Cornell University Library in 2003 and 2004 and was KMODDL?s principal programmer and designer in the project?s NSF-funded phase. Ron has more than 15 years of media production experience, spanning graphic design, photography, radio, film and the Web. He studied Photography and Graphic Design (BA '90) and Film (MFA '93) then began designing for the Web in 1994. Ron has developed large-scale Web applications for clients such as JPMorganChase, Time Warner, John Deere, State Farm, Siemens, Cambridge University (UK), and the University of North Carolina. His expertise includes requirements analysis, user interface design, usability engineering, database design, and programming.

Bing Pan
Post-Doctoral Associate, Information Science Program, Cornell University
Bing Pan is User Study Researcher for the IMLS-funded component of the KMODDL project. He is involved with the evaluation efforts of National Science Digital Library while doing research on various aspects of uses of computing technology. He studied the uses of technologies in the tourism industry from 1998 in the National Laboratory for Tourism and eCommerce while pursuing his PhD degree at University of Illinois at Urbana-Champaign (PhD ?04). Pan has published in various areas such as digital libraries, eye tracking, and tourism and eCommerce.

Jim Reidy
Web Developer, Cornell University Library James G. Reidy is a Web Programmer in the Digital Library and Information Technologies division of the Cornell University Library. He is the software engineer for the Global Performing Arts Database (GloPAD) project, a consultant for the Kinematic Models for Design Digital Library (KMODDL) project and he coordinates communication between the Library CommonSpot Content Management System Implementation Group the Cornell Information Technologies (CIT) division. Reidy has over 25 years of experience in the commercial world as a software engineer in the fields of digital imaging, color page layout, database systems, health systems, data analysis and visualization, and web application development.

Shin-Woo Kim
Web Developer, Cornell University Library
Shin-Woo Kim is a programmer/analyst specialist for D-LIT (Digital Library and Information Technologies) at Cornell University Library. Shin-Woo received his B.S. degree in Computer Science from Cornell University (2004) and is currently on DPubS project. For KMODDL, he implemented many of the back-end functionalities (e.g., fulltext search, administrative tools, etc) for the initial grant.

George Kozak
Digital Library Specialist, Cornell University Library
George Kozak is a Programmer/Analyst Specialist working for Library Systems, a unit of D-LIT (Digital Library and Information Technologies), Cornell University Library. Kozak has a M.S. in Computer Systems from Binghamton University (1977) and has worked previously for NCR Corporation and IBM as a Programmer/Analyst and Systems Analyst. Kozak has worked in Library Systems since 1994 on a variety of digital projects as well as the Library Management System and was one of the original developers (with David Fielding) of Project Euclid (DPubS). For KMODDL, Kozak is primarily responsible for the search and display of the e-books. Kozak also holds a M.A in Theology from St. Bernard's Institute (1998).

Matthew Arnstein
Web Developer, Digital Media Group, Cornell University Library
Matthew Arnstein is a Web Developer in the Digital Media Group at the Cornell University Library. In addition to design and development responsibilities, he is the contact between the Group?s Web Developers and Project Managers of CUL?s digital library initiatives. Arnstein?s professional experience extends to all levels of web development including requirements analysis, user interface design, usability engineering, database design, software engineering, and technical consulting. He graduated from Cornell University (B.S. ?02) with a degree in Computer Science.

Melissa Kuo
Web & Print Designer, Digital Media Group, Cornell University Library
Melissa Kuo is a Web & Print Designer for the Digital Library and Information Technologies (DLIT) division at Cornell University Library. She has seven years of experience in web site development, graphics production, and project management, working for Stony Brook University Library, Hunter College Library, and Digital Pond, a graphics production house in San Francisco. Melissa has a B.A. in Art History from SUNY-Albany and an M.S. in Information and Library Science from Pratt Institute.

Nancy Y. McGovern
Associate Director, Research and Assessment Services, Instruction, Research, and Information Services (IRIS), Cornell University Library (CUL) Digital Preservation Officer, CUL
Nancy McGovern is working with Richard Entlich on a 3D digital object white paper for KMODDL that explores the broad landscape, community practice for creating and sharing objects, long-term preservation implications, and considers access and use of these objects within a research library context. As head of the Research unit, she facilitates digital research, practical implementations, publications, and training projects. She has almost 20 years of digital preservation research and practice. She is a co-developer of and a principal instructor for Cornells Digital Preservation Management Workshop series She is co-editor of RLG DigiNews She is working on her PhD in digital preservation at University College London.

Laura DeForest
Laura DeForest is a 2002 BS, 2003 MEng graduate of Cornell's Mechanical Engineering department. Her work with KMODDL includes creating CAD files, animations, and rapid-prototypes of mechanisms in the Clark collection.

Cornell University Library's Digital Consulting and Production Services (DCAPS) provides information technology support for the KMODDL project, including website design, hosting, architecture, and programming, database design and implementation, digitization, metadata development, and copyright consultancy.

Richard Entlich
Digital Projects Librarian, Research and Assessment Services, Instruction, Research, and Information Services (IRIS), Cornell University Library (CUL)
For the past fifteen years, Richard Entlich has contributed to a variety of digital library initiatives, including the Chemistry Online Retrieval Experiment (CORE), Core Historical Literature of Agriculture, Making of America I, TEEAL (The Essential Electronic Agricultural Library), and Prism (Preservation, Reliability, Interoperability, Security, Metadata). He has served as a lecturer in Cornell's Digital Imaging and Digital Preservation Management workshops and is a co-author of the associated web tutorials. He is also a regular contributor to RLG DigiNews. Entlich is working with Nancy McGovern on a 3D digital object white paper for KMODDL that explores the broad landscape, community practice for creating and sharing objects, long-term preservation implications, and considers access and use of these objects within a research library context. He has an MLS from Syracuse University.

Jörg Wauer
Professor of Technical Mechanics at the University of Karlsruhe, Germany
J?g Wauer helped during his sabbatical at Cornell University in 2005 to include the Redtenbacher collection at the University of Karlsruhe into the virtual exhibition of the KMODDL project along with Francis Moon. He is teaching and doing research in the Mechanical Engineering Department of his university now for more than 30 years with a special focus on structural dynamics and dynamics of machines. During the last ten years, he extended this work to multi-field problems as dynamic fluid-structure interaction or vibrations of thermo-elastic and piezoelectric solids. He has authored or co-authored approximately 130 scientific papers concerning the mentioned topics, and is a co-author of a book on mathematical methods in engineering mechanics. In 2004 he received an honorary doctor degree from the Technical University of Sofia, Bulgaria. Alongside, he held in his department for eight years the position of head of study responsible for all the recent reform work in the curriculum of the study of Mechanical Engineering.

Further acknowledgements

Unless otherwise noted, the still images of the Reuleaux models in KMODDL were photographed by Jon Reis of Ithaca, New York (

Carol Minton Morris is communication director for Cornell University's core integration technical effort to build a National Science Digital Library. Research interests include design and development of portals, user interfaces, and communication tools for the NSDL. Her background is in art direction, marketing, and production for publications and web media with a specialization in applied digital imaging. Carol provides aesthetic design advice to the KMODDL team.