Danziger"s biographical sketches of the primary figures in the ancient rabbinic Judaism continue to hold value and interest for today"s readers. Written in engaging narrative style, these essays were among the earliest studies in America to reflect the traditions of German Jewish historical scholarship applied to the formative period of Judaism. His notes reflect a sound reading of Jewish sources. In particular, his chapters on Hillel, Akiva and Judah ha-Nasi illuminate how their sharpness of mind and strength of purpose forged the tools for Jewish survival during the next millennia.