He produced a 95-issue magazine while hiding from the Nazis in an attic

“A couple of times he read them at dinners,” he said in an interview, “but I didn’t understand German then.”

Many years later, however, Simone’s daughter, Lucy, became interested in the magazines, not only as family mementos but as signs of history. She got a research grant to travel to Germany, where she could study more about her grandfather’s history. Simone then spent years searching for a way to expand public awareness of the magazines, one of the few previously unknown literary efforts documenting the Holocaust in Europe.

This led to the production of a book, “The Underwater Cabaret: The Satirical Resistance of Curt Bloch,” by Gerard Groeneveld, which was published in the Netherlands earlier this year. There will also be a museum exhibit coming soon, “’My verses are like dynamite.’ Het Onderwater Cabaret by Curt Bloch”, which is scheduled to open in February at the Jewish Museum in Berlin.

“Every time an almost completely unknown work of this caliber comes to the fore, it is very significant,” said Aubrey Pomerance, curator of the Berlin museum exhibition. “The vast majority of clandestinely created writings have been destroyed. If they weren’t, they’ve caught the public’s attention before. So it’s tremendously exciting.”

Pomerance and Groeneveld’s research for the exhibition and book helped illuminate many aspects of Bloch’s life, which had not previously attracted much attention. Born in Dortmund, an industrial city in western Germany, Bloch was 22 years old and working at his first job as a legal secretary when Hitler became chancellor of Germany in 1933. Anti-Semitic violence in Bloch’s hometown increased even before official anti-Jewish measures were instituted .

After a colleague threatened him with death that same year, Bloch fled to Amsterdam, where he found work with an importer and trader of Persian carpets. He hoped to find refuge there before fleeing further west, but his plans were shattered when the Germans invaded the country in 1940, the borders were closed and the nightmare extended to the Jews there too.