Claim: Pinchas ben Ayir was a Tanna and a priest of Aaron's lineage and the abandonment of the project to abolish the shmita year of release by Judah haNasi was attributed to him.
Evidence: Pinchas ben Yair (Hebrew: פנחס בן יאיר‎) was a Tanna of the 4th generation who lived, probably at Lod, in the late 2nd century.