**Rebbi** - the unspecified one is Rabbi Yehudah HaNasi son of Rabban Shimon ben Gamliel, 7th from Hillel, the 40th receiver [(and according to Yuchsin [in Seder HaDorot near Shmuel HaKatan] the 35th receiver, and according to the Rambam the 35th receiver)]. And it appears the time of his leadership was year 3910, and Rebbi was then thirty years old [(Sha'ar HaDorot sections 32 and 58 that he received from his father in year 3920, 92 years after the destruction)].

In his days there were three...

**Galenus** the physician was in the days of Rebbi [(Yuchsin in the note of the Ra'am to Seder HaKabbalah, and Sha'ar HaDorot 128)].