Academic authors: don't let your book index be your villain origin story; hire a professional indexer. We're worth the cost and you deserve the saved sanity. (I gripe, but I do also enjoy this sort of question.)
Indexing CERN. Hooboy. Thank you, CMoS 18, for load-bearing language in 15.54 of "widely known under," which is keeping me from becoming the Joker about this right now.