All in favor of of mandated retirement for all judges at age 75 raise your hands.
Sen. Allen Ellender (D-LA) and Sen. Edward Burke (D-NE) proposed SC age limit during FDR’s terms.
There was another prolonged such attempt 1946-1955 led by Edwin Falk of the NYC Bar Association. The Supreme Court’s politically charged decisions in the ‘50s killed any chance for the necessary bipartisan agreement.