Everyone has used a thesaurus of some kind to find just the right word, but have you ever wondered who wrote the first thesaurus and compiled all of those thousands of words together? Peter Mark Roget (1779-1869) was just the man. Throughout his life, he made lists. Long lists of words that he kept so that when needed, he would always have just the right word. Read along and discover the life of Roget, from his childhood, through his studies, right up until his death in 1869 and see his amazing accomplishments.