stories and supplemented them with chronological and legal material. In other words, his largest contributions may have come in the latter two kinds of units, without denying the possibility that he was active—perhaps very active—in formulating the rewritten stories, whether composing or altering them or both. This conclusion is a modified form of Segal’s theory. He distinguishes the same three kinds of material and assesses the author’s roles in a similar way, but there is good reason to doubt that