The cellist Heinrich Grünfeld recorded quite extensively in the early days of the gramophone, though it’s his pianist brother Alfred who is much better remembered.

Handel’s Largo (from Serse)
Heinrich Grünfeld, cello with piano

Gramophone Concert Record G.C.-47875x
Matrix 19h
Recorded: 1905, Berlin
Issued: August 1905
The record label states “LARGO (von Handel) gespielt von Professor Heinrich Grünfeld, Hofcellist, Berlin”