David Whitten is one of the founders of WorldVistA. A longtime VA employee, he has been using MUMPS since 1981 in many different enviroments. These include in the Department of Veterans Affairs, at MD Anderson Cancer Center with the Protocol Data Management System, as a contractor to the Department of Defense (CHCS) and using standalone FileMan projects.
David is one of the administrators of the VistApedia Wiki, and may be reached by telephone at 713-870-3834.
Here is a useful link to Recent Changes that gives you a LOT of info about what has changed recently on the wiki :