William John Donthorne (1799-1859) was a notable Englisharchitect of the early 19th century and was one of the founders of what eventually became the Royal Institute of British Architects (RIBA). This article or section does not cite its references or sources. ... Architect at his drawing board, 1893 An architect is a person involved in the planning, designing and oversight of a buildings construction. ... Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ... The Royal Institute of British Architects (RIBA) is a professional body for architects in the United Kingdom. ...