the mind > mental capacity > memory > retrospection, reminiscence > [noun] > one who looks back (6)
A person who looks back on some period or event. Now rare.
A person who reminisces or engages in reminiscences; a reminiscer.
a person who thinks chiefly or only about events in the past.
A person who reminisces or engages in reminiscences. Cf. reminiscencer, n.