Rabbi Dovid Oppenheim was a scholar in the 17th and 18th centuries who served as chief rabbi of Nikolsburg and later of Prague. He authored over 20 works, among them books of Torah and Talmud commentary, responsa, and theology. Oppenheim was known as an avid collector of Hebrew and Yiddish books and manuscripts, and his vast collection is housed at Oxford University’s Bodleian Library.