Scenes From London, People, Part 3

This is the library science contingent at King's Cross train station, Platform 9 3/4. I'm the one with the mustache. Proof positive that librarianship is estrogen-heavy, testosterone-light. Libby split between the western and eastern hemispheres at Greenwich Royal Observatory.
Mary like Libby.
Excellent actor/lecturer explaining how the problem of determining longitude was solved by a humble small-town English carpenter, John Harrison.
Who the heck is this? How'd she get in here? Nice teeth.