Israel Drazin is the author of seven books, five of which are on Targum Onkelos. He was the first scholar to recognize that the Targum took hundreds of items from the Tannaitic Midrashim- those that were edited around 400 C.E.- and even incorporated many words found in these Midrashim in his translation. He was able, therefore, to date the Targum Onkelos around 400 C.E., a period much later than is widely accepted, because of the Targum's reliance upon these Midrashim. Stanley M. Wagner is Rabbi Emeritus of The Beth HaMedrosh HaGadol-Beth Joseph Congregation in Denver, Colorado; Professor Emer...