At a time in history when antisemitism was both widespread and politically correct and women artists were frowned upon, their works were often the subject of ridicule in the press.

In fact, recent research has shown that Grünewald who became the center of public controversy numerous times was the primary target of antisemitism in the Swedish press between 1910 and 1926.

[4] His wife Sigrid Hjertén suffered from lifelong mental health problems that resulted in her being hospitalized for extended periods in the 1930s.

The author of numerous essays on art, during his influential 1918 exhibit at Stockholm's Liljevalchs Konsthall Isaac Grünewald published his manifesto The New Renaissance.

[6] At Stockholm auctionist Bukowski's spring auction in 2009, one of Grünewald's lesser known paintings was sold for 2.65 million crowns - about 340,000 US dollars.