Placide Cappeau was the author of "O Holy Night" which was set to music by what French composer and music critic
Adolphe Adam Adolphe Charles Adam (] ; 24 July 1803 – 3 May 1856) was a French composer and music critic. A prolific composer of operas and ballets, he is best known today for his ballets "Giselle" (1841) and "Le corsaire" (1856, his last work), his operas "Le postillon de Lonjumeau" (1836), "Le toréador" (1849) and "Si j'étais roi" (1852)
Bernard de la Monnoye Bernard de La Monnoye (15 June 1641, in Dijon – 15 October 1728) was a French lawyer, poet, philologue and critic, known chiefly for his carols "Noei borguignon" ("Borguignon Christmas").