Bertrand Russell was a well known mathematician, philosopher, and author. First published in England under the title "An Outline of Philosophy," this work by Russell was controversial in its day for its assertion that humanity is worthy of consideration only as an instrument by which we acquire knowledge of the universe. His personal philosophy was one which he described as "logical atomism." Despite the weightiness of the topic, Russell's style is, as always, engaging and accessible. - Summary by Ciufi Galeazzi