The Polish scholar Jan Baudouin de Courtenay (together with his former student Mikołaj Kruszewski) introduced the concept of the phoneme in 1876, and his work, though often unacknowledged, is considered to be the starting point of modern phonology. He also worked on the theory of phonetic alternations (what is now called allophony and morphophonology), and had a significant influence on the work of Ferdinand de Saussure. COUNT 5
QSN1 When was the phoneme as a concept introduced? ANS1 1876 QSN2 Who was Jan Baudouin de Courtenay's student? ANS2 Mikołaj Kruszewski QSN3 What nationality was de Courtenay? ANS3 Polish QSN4 What was de Courtenay's profession? ANS4 scholar QSN5 Who was influenced by  Jan Baudouin de Courtenay? ANS5 Ferdinand de Saussure