The developers of the USNO Earth Orientation Matrix calculator would like to acknowledge the help of the following:
1) Lee Barker of Lockheed Martin Space Systems Company, who has helped greatly with validation and documentation of the need for the calculator.
2) Professor Christian Bizouard of the Paris Observatory, SYRTE, Paris, France, who has helped greatly with validation and also guiding us on using html and php to make such a web based calculator.