The French poet and essayist Stephane Mallarme (1842-1989) had a varied career as a writer and pedagogue. Employed as a teacher of English in the French school system, he produced, in addition to his literary output, a variety of didactic works such as "The Erglish Words," "The English Themes," "The Ancient Gods." etc.. which may have been used to complement his classroom activities.
"The Mallarme Cryptopuzzles,"
Word Ways: Vol. 26
, Article 3.
Available at: https://digitalcommons.butler.edu/wordways/vol26/iss3/3