The Electronic Library of Colorado Architecture, Landscape, and Planning (ELCALP) was conceived of in 1995 by Professor Mark Gelernter, Associate Professor Joan Draper, and Director of Visual Resources, Lynn M. Lickteig, all of the College of Architecture and Planning, University of Colorado Denver and the Environmental Design Progam, University of Colorado Boulder. Many others, who are mentioned below, also contributed to its success.

In November 1995, Gelernter, Draper, and Lickteig joined forces to devise the ELCALP project, which combines database ventures they had previously worked on separately. Gelernter had created the "Electronic Tour of Colorado Architecture" in 1992. This application was intended as a medium of public education, and contained a map-based interface to allow user-friendly access to images and text describing historical and contemporary buildings in the state. It was funded by the Colorado Chapter of the American Institute of Architects and the University of Colorado at Boulder's Outreach Council.

Draper and Lickteig had been working since 1988 to computerize the college's 35mm analog slide collection, used for teaching in the architecture, landscape architecture, planning and environmental design programs. A series of small grants funded the creation of the first electronic database, the Visual Information Management System, which went on-line in 1989. The system ran on a dBaseIII platform and was custom designed for the college by a private sector consultant, Richard Brenner, of Westar Systems of Colorado Springs, CO.

Based on these experiences, Gelernter, Draper, and Lickteig collaborated to write their first joint proposal for the ELCALP web site and an underlying image database called the Visual Information System of Colorado (VISC). They received a $35,000 grant from the CU President's Initiative Fund program "Changing the Learning Paradigm through Technology," in 1995. The Computer and Network Services department (now the Office of Information Technology, or O.I.T.) on the University of Colorado Boulder campus was hired to create the VISC image database. This Oracle application was custom designed and contained not only access and search functions but also a variety of collection management tools. Subsidies from the O.I.T. department covered half of the VISC development costs and the database was operational by December 1997.

Another grant was received by the trio in April 1997 from the State of Colorado's "Technology Learning Grant and Revolving Loan Program," and was used to create the first ELCALP website which launched in 1998. The College of Architecture and Planning's $85,860 award was one of four technology grants received by members of the University of Colorado community. The ELCALP website was created by Jerry Spaeder of Dallas Teks Group, Dallas, TX.

The VISC image database was retired in 2005 and its texts and images were migrated into software called Insight by Luna Imaging, Inc. of Los Angeles, CA. A second generation of the ELCALP website was created to interface with the Insight software for the College in 2006 by Jerry Spaeder of Dallas Teks Group, Dallas, TX. In 2010, the Insight database was replaced with an updated, new end-user interface called LUNA.

There are many individuals who have supported the College of Architecture and Planning’s and the Environmental Design Program’s image database projects over the last three decades, including faculty and staff members, students, and other professionals. Major contributors include the current dean of the College of Architecture and Planning, Mark Gelernter, and former deans of the college, Ray Studer, Dwayne Nuzum, and Patricia O’Leary. Visual Resources Director, Lynn Lickteig, serves as the LUNA collection manager and workflow coordinator. CU photography instructors Lynn M. Lickteig (1998-2005) Mark Mattivi (2005-2013) and Stephen Cardinale (2014) have mentored CU students in taking professional quality photos and writing documentary papers for the ELCALP website. In 1998, retired Denver University historian, Peter Dulan, and his wife, Sharon Donnelly, donated 23,000 35mm slides to the college, many of which have been digitized and are included in the LUNA database and the ELCALP website.

The College of Architecture and Planning at CU-Denver and the Environmental Design Program at CU- Boulder give special thanks to the many undergraduate students enrolled in the ENVD 4122 Advanced Technical Photography course since 1998 who took the majority of the images on this website, and whose names are listed with the images as the photographers. Additionally, we applaud the long term efforts of the staff members of the Visual Resource Centers on the Denver and Boulder campuses for the scanning, cataloging, and data entry work without which neither this ELCALP website nor the LUNA Digital Library image database would exist today: Erin N. Anderson, D. Mitch Anderson, Jason Bateman, James Beech, Baylor Bland, Stephen Cardinale, Carole Cardon, Sarah Case, Carmen Cheadle, Melissa Chumbley, Dean Clift, Anne Comstock, Emili Davidson, Kathryn Distin, Nicole Drobeck, Ralph Eberhard, Katie Finn, Brian Flint, Jonathan Foy, Kirsten Gravdahl, John Taylor Hillyard, Gail Hook, Nick Houy, Aaron Howell, Bodie Hultin, David Jacobs, Seamus James, Devra Jeffers, Teaundra Nikky Jewett , Julie Sieracki Jordan, Meera Joshi, , Nicole Kalisker, Alex Klinovsky, Jennifer Kirschke, J. Paul Kubala, Lynn M. Lickteig, Jacob Lujan, Colleen Martin, Rhonda Martinek, Britta Moline-Ayars, Zachary Moseley, Glenn Negretti, Cathleen Norman, Zachary Perkins, Julia Pike, Gerald Reynolds, , Alea Richmond, Christian Sage Russell, Thomas Mark Sawyer, Lindsay Schumacher, Leora Shuchter, Katherine Slusher, Amy Snell, Mark Sullivan, Krista Stonedahl, Jorge Tarin, Heather Thigpen, Jenn Thomas, Anna B.T. West, Brett Wagner, Ryan Wakat, Kristy Wasserbach, Jacob Wiederin, Daren Willden, and Amy L. Wolfe.