Complex sentence: He is the author of a biblical commentary called "Mik'ra Kiph'shutah" ("The Plain Meaning of the Bible"), and also assisted Franz Delitzsch with his translation of the New Testament into Hebrew.
Split into simpler sentences: He is the author of a biblical commentary called "Mik'ra Kiph'shutah" ("The Plain Meaning of the Bible"). He and also assisted Franz Delitzsch with his translation of the New Testament into Hebrew.