You may be referring to U.S. (Ulysses S.) Grant. It is doubtful he would be in the dictionary, since dictionaries define words and discuss how to use them correctly. But he would certainly be in the encyclopedia and there are good entries about him on history.com and wikipedia.com as well as on the official White House website, to which I enclose a link.
W. A. Newman Dorland has written: 'The American illustrated medical dictionary' -- subject(s): Medicine, Dictionaries 'Dorland's Illustrated Medical Dictionary (Dorland's Illustrated Medical Dictionary: Deluxe)' 'Dorland's illustrated medical dictionary' -- subject(s): Medicine, Dictionaries, Medical Dictionaries 'Dorland's pocket medical dictionary' -- subject(s): Medicine, Dictionaries, Dictionary, English
William Thomas Grant has written: 'The story of W. T. Grant and the early days of the business he founded' -- subject(s): Grant (W. T.) Company, W.T. Grant Company
Grant W. Reid has written: 'From concept to form in landscape design' -- subject(s): Landscape design
W. G. Hale has written: 'Dictionary of biology' -- subject(s): Biology, Dictionaries 'Collins Internet-linked Dictionary of Biology' 'The Redshank'
Russell Grant has written: 'The book of birthdays' -- subject(s): Miscellanea, Birthdays, Astrology and psychology, Personality, OverDrive, Nonfiction, Reference 'In the 4 cats'' 'Russell Grant's Illustrated Dream Dictionary' 'Your Love Signs' 'Russell Grant's 1994 Horoscopes' 'Russell Grant's Astrological Diet Book' 'Russell Grant's dream dictionary' 'Zodiac baby names' -- subject(s): Miscellanea, Dictionaries, Personal Names, Astrology
Michael W. Grant has written: 'Ponzi game up?' -- subject(s): Canada Pension Plan, Pensions, Young adults
Grant W. Petty has written: 'A first course in atmospheric radiation' -- subject(s): Atmosfeer, Atmospheric radiation, Radiative transfer, Straling
Gordon W. Herd has written: 'Clinician's illustrated dictionary of hypertension' -- subject(s): Hypertension
Timothy W. Colyer has written: 'A dictionary of acquisition and contracting terms' -- subject(s): ACQUISITION
W. A. Hart has written: 'Hart's dictionary of BASIC' -- subject(s): BASIC (Computer program language), Dictionaries
W. T. Brande has written: 'A dictionary of science, literarure, and art' -- subject(s): Science, Dictionaries
H. W. Orsman has written: 'The Dictionary of New Zealand English' 'New Zealand slang dictionary' -- subject(s): Dictionaries, English language, Miniature books, Slang, Specimens