19th-century art collectors

Johanna Ey (4 March 1864 – 27 August 1947) was a German art dealer during the 1920s. She became known as Mutter Ey (Mother Ey) for the nurturing support she provided to her artists, who included Max Ernst and Otto Dix.

Franz Graf zu Erbach-Erbach (29 October 1754 – 8 March 1823) was a German nobleman and art collector.

August Thyssen (German: [ˈaʊɡʊst ˈtʏsn̩]; 17 May 1842 – 4 April 1926) was a German industrialist, founder and controlling shareholder of Thyssen & Co (presently ThyssenKrupp). He was a prominent member of the Thyssen family.