Placide Cappeau was the author of "O Holy Night" which was set to music by what French composer and music critic
Placide Cappeau Placide Cappeau (October 25, 1808 – August 8, 1877) was a French poet and the author of the well-known poem, "Minuit, chrétiens" ("O Holy Night") (1847), which was set to music by Adolphe Adam.
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").