Charles Robert Newman is an author about whom publicly available information is currently limited: his nationality, dates of birth and death, and educational background are not clearly recorded, and only one of his works is held in the collection. From the surviving evidence, he wrote Essays in Rationalism, a title that indicates his writing centers on the theme of rationalism and may take the form of essays or discursive pieces discussing reason, belief, and inference. Because verifiable biographical information is so scarce, it is difficult to establish his professional identity, the period in which he wrote, or his intellectual background, and it is likewise impossible to judge whether the book met with a wide response in its time. On the present evidence, Newman's authorial profile rests mainly on this single collection, whose value lies chiefly in offering one perspective on rationalist questions for readers interested in the history of related ideas.