Focused on UK researchers. "Currently this service and site are used for testing and validation of the in-development software prototype for the Names project. This service and site are not intended for use in live external applications or services except for experimentation as the availability, data and API are currently all subject to change."  Not sure if whole data set is available. Developing a plug-in for the EPrints repository software that will automatically query the Names data as part of the data-entry process.