The Smithsonian National Postal Museum gratefully acknowledges the generosity of the United States Postal Service and the following individuals and corporations:

Guest Curator: Terrence W. McCaffrey, USPS
Exhibit & Web Design: Michael Osborne
Text & Research Assistance: PhotoAssist, Inc.
Writing & Editorial Direction: Alyson Kuhn
Fabrication & Installation: SurroundArt
Web Programming: Scott French

Trailblazers & Trendsetters from the collection of the United States Postal Service®