This document provides biographical information about Walt Whitman and discusses his most famous work, Leaves of Grass. It notes that Whitman had little formal education but was well-read, worked as a printer and newspaper writer, and was fired from a job for his anti-slavery views. His book Leaves of Grass featured free verse poems and went through several revisions, capturing the diversity of American people. The document also discusses Whitman's innovations with free verse form and use of catalogs and parallelism in his writing.