Langenscheidt

Gustav Langenscheidt (1832–1895) was a German language teacher and book publisher who founded the Langenscheidt Publishing Group, renowned for its dictionaries and language reference works. The company, established by him, specializes in monolingual and bilingual dictionaries, travel phrase-books, and covers numerous languages including English, German, French, and Spanish.[1][2]

Oct 21, 1832 Wikipedia
Language Dictionaries Reference Works