Charlton Laird was first Hilliard Distinguished Professor of the Humanities (University of Nevada, Reno) and holder of both earned and honorary doctoral degrees. He devoted a lifetime to writing and teaching, and his mastery and vast knowledge of language is reflected in the pages of Webster's New Roget's A-Z Thesaurus. The Editors of the Webster's New World Dictionaries are a team of professional lexicographers with advanced degrees in various scholarly fields. The editors familiarize themselves with the vocabulary in specific subject areas, collect materials on new developments and usage, and work with expert consultants to ensure that the content of our publications is as accurate and as up-to-date as possible.