Ernst Grünfeld was born on September 11th, 1883 in Brno. He was an economist and for many years taught at the University of Halle. In 1933 he was dismissed from the University on the basis of the National Socialist Civil Service Law because of his Jewish heritage. He later lived Berlin, where he took his own life on May 10th, 1938.
The marks of provenance and objects connected to Ernst Grünfeld are listed here in the co-operative provenance database Looted Cultural Assets.
If you have information that may be helpful in returning these objects, please get in touch.