When We Cease to Understand the World'A monstrous and brilliant book' Philip Pullman When We Cease to Understand the World shows us great minds striking out into dangerous, uncharted terrain. Fritz Haber, Alexander Grothendieck, Werner Heisenberg, Erwin Schrodinger: these are among the luminaries into whose troubled minds we are thrust as they grapple with the most profound questions of existence. They have strokes of unparalleled genius, they alienate friends and lovers, they descend