The U.S. Supreme Court Justices Database is funded by the the National Science Foundation, Law and Social Science Program. Northwestern University Law Professor Lee Eptstein is one of the principal investigators. According to the website:
This is a multi-user, public database containing a wealth of information on individuals nominated (whether confirmed or not) to the U.S. Supreme Court (John Jay-Samuel A. Alito, Jr). Specifically, the Database houses 263 variables, falling roughly into five categories: identifiers, background characteristics and personal attributes, nomination and confirmation, service on the Court, and departures from the bench.From the Law Librarian Blog.