Paul Erdös was one of the most eminent mathematicians of the twentieth century, as famed for his prolific output and outsize capacity for abstract mathematic comprehension as he was for his incurable wanderlust and distaste for sleep.  His extraordinary productivity, preference for colla

Rebecca Solnit is one of the most capaciously curious and insightful living writers, having explored subjects across a tremendous variety of fields.  What is perhaps most refreshing about her approach to her material is precisely the fearlessness with which she circumvents traditional methods