User blog comment:Hdutt2/Hdutt2's BioShock: Downfall - Novel: Breaking and Entering - Equator Part 1/@comment-14541151-20131007111501/@comment-6024608-20131008023530

More than a few 'lighthouses' are just ruins (they go well back to roman and greek/egyptian times). A lighthouse is a kind of beacon - a usually permanat structure, so mutating into something like that  (ie- a radio beacon)       A pulsar star might make a very sci-fi-ish  'beacon'/lighthouse-ish thig for a story.

Another offset idea might be its someones name  'Dr Lietehaus' or somesuch