To the best of my knowledge, William Rainey Harper pioneered the method for Hebrew in Introductory Hebrew Method and Manual (1881), and for Greek, in collaboration with R. F. Weidner, in New Testament Greek Method (1888). For historical and bibliographical details, see William S. La Sor, “The Inductive Merhod of Learning Hebrew: Its Advantages and Pitfalls,” in Hebrew Teaching and Applied Linguistics, ed. Moshe Nahir (Lanham, MD: University Press of America, 1981), pp. 205–226.