A short, polemical book by a Jesuit preacher that traced all architecture back to the primitive hut (four trees, some beams, a pitched roof) and concluded that only the column, the entablature and the pediment are essential. Everything else is licence or fault.
Laugier (1713–69) was not an architect but a writer and preacher; the Essai appeared anonymously in 1753 and was an immediate success. The second edition of 1755 carried the famous frontispiece engraved after Charles Eisen: a woman personifying Architecture, leaning on fragments of a classical entablature, points a child towards a rustic hut made of living trees.
The argument is deductive. Natural man, seeking shelter, chose four strong trees, laid branches across them and leaned others against each other to make a roof. From this model Laugier derives a severe code: the column must stand free and be round, as a tree trunk is; the entablature must be straight and carried directly by columns; the pediment must crown only the ends of a roof. Pilasters, engaged columns, pedestals, arcades on columns, broken pediments and superimposed orders on church fronts are all declared to be departures from nature.
The Essai gave a theory to the reaction against the Rococo and prepared the way for Neoclassicism. Soufflot’s Sainte-Geneviève (the Panthéon, begun 1757), with its free-standing columns carrying straight entablatures inside a church, was widely seen as Laugier’s programme realised; the book was translated into English in 1755 and German in 1756.
The book, part by part
I Introduction and Chapter I: General principles
The primitive hut as the model of all architecture. The essential parts (column, entablature, pediment), the parts introduced by necessity (walls, doors, windows) and the parts added by caprice, which are faults.
Rules: The primitive hut · The column must stand free · Licences to avoid
II Chapter II: The orders
The five orders reviewed with a critical eye: Laugier accepts them but attacks specific abuses: twisted columns, fluted shafts filled with cabling, heavy pedestals.
III Chapters III–IV: How to build and ornament churches
An ideal church of free-standing columns carrying a straight entablature, with vaults above, combining Greek clarity with Gothic lightness.
IV Chapters V–VI: Towns and gardens
The city should be designed like a park, with a variety of regular streets and squares; an early statement of urban embellishment.