Given the early modern theatre’s interest in spaces of knowing, it was peculiarly suited to being used as a conceptual model. Robert Fludd’s Art of Memory uses the idea of a theatre to ‘stage’ memory. Comparing the physical stage of the early modern stage with Fludd’s illustration of the ‘Theatrum orbis’ suggests the way in which the space of the theatre could be understood as a model for mental experience, as a means of staging knowledge within the mind and creating a drama of ideas within the individual.