20th century, twentieth century, 1900's, 1900s, nineteen hundreds

Contains essays that provide an overview of twentieth-century science, discussing quantum physics, ideas having to do with complexity, efforts to understand human thinking and consciousness, and cosmology and high-energy physics; and includes more in-depth discussions of a number of related issues.

An illustrated biography of the Irish poet, dramatist, and essayist generally considered to be the most important poet in English of his time.