Clarence Barnhart

Clarence Barnhart
Born
Charles Lewis Barnhart

(1900-12-30)December 30, 1900
DiedOctober 24, 1993(1993-10-24) (aged 92)
Alma materUniversity of Chicago
OccupationLexicographer
Known forEditor of the Thorndike-Barnhart series of dictionaries
Spouse
Frances Irma Knox
(m. 1931; died 1979)
ChildrenDavid and Robert Barnhart

Clarence Lewis Barnhart (1900–1993) was an American lexicographer best known for editing the Thorndike-Barnhart series of graded dictionaries, published by Scott Foresman & Co. which were based on word lists and concepts of definition developed by psychological theorist Edward Thorndike. Barnhart subsequently revised and expanded the series and with the assistance of his sons, maintaining them through the 1980s.