Although it did not originate with him, before World War II all Hasidic rabbis, as well as almost all other prominent Orthodox believed this-he was indeed the first to put this opposing belief in a book.
Although it did not originate with him, before World War II all Hasidic rabbis, as well as almost all other prominent Orthodox rabbis opposed Zionism. Teitelbaum was the first to put this opposing belief in a book.