Mark Lawrence is a research scientist working on artificial intelligence. He is a dual national with both British and American citizenship, and has held secret-level clearance with both governments. At one point, he was qualified to say, âThis isnât rocket scienceâoh wait, it actually is.â He is the author of the Broken Empire trilogy (Prince of Thorns, King of Thorns, and Emperor of Thorns), the Red Queenâs War trilogy (Prince of Fools, The Liarâs Key, and The Wheel of Osheim) and the Book of the Ancestor series (Red Sister).