Author Archives: martaszn

Relationship status: It’s complicated

In a recent short biography of Ernst Nagel, Yvonne Nagel mentioned the meeting of Nagel and Hosiasson in Warsaw during his stay there in the fall of 1934. She wrote:

Ernest also enjoyed meeting a younger couple—Janina Hosiasson and her fiancé the mathematician Adolf Lindenbaum. (A)

I have always placed the beginning of Janina and Adolf’s engagement much later than the fall of 1934, so this was news. When I asked Yvonne for the exact source of her assertion, she quoted a letter that Nagel wrote from Warsaw to his friend Sidney Hook, relating having met a certain Ms Hosiasson and her fiancé, who was a mathematician. No name of said fiancé was given. But in the context of what has been published about Hosiasson and Lindenbaum so far, it was a reasonable conclusion to draw: here we have some mathematician referred to as Janina’s fiancé, and she did end up marrying a mathematician by the end of the following year—so the man mentioned in the letter must be Lindenbaum.

But I could not shake the feeling that something in here was not hanging together with everything else I knew about Janina’s life.

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March 29, 1942

The former Gestapo arrest in Vilnius, currently a part of the Museum of Occupations and Freedom Fights.

The existing publications on Janina Hosiasson never mentioned a specific date of death. The most common time frame mentioned was April 1942, or simply the spring of 1942. But I was unable to find the original source of this belief: as it often happens with such publications, authors repeat what they saw elsewhere, often without citation, or rely on their own memory of events from decades ago.

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Belief, evidence, truth.

Everything is copy, Nora Ephron said. For me, everything is evidence. But that in itself is less useful. It is not true that whatever life throws at me in the archives, can be turned into content. It is rather the opposite: the more there is, the more doubt and double-checking emerges. The story is not sharpening up, it is rather watered down.

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Hosiasson on analogical reasoning

We are sleeping for the first time in a prison cell, where throughout the night our legs are hurting. Call this fact f1. Can we raise the degree of belief in the fact that the next night our legs will also hurt? Let us call this future fact f2. (…) Now our question comes down to whether there are any possible causes of f1 such that, if we assume them, f1 does not lower the level of confidence in f2. Suppose for instance that besides w the only possible cause of f1 is (next to some humidity in the cell) rainy weather on the day preceding the night when we were in pain, and the fact that on that day we stood outside for a long time, waiting for bread.

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Fake soaps

The “Józef Hosiasson” department store was a respectable brand. While it started as a textile business, later on it specialized in beauty products. The company held exclusive distribution rights of Les parfums Chanel, as well as Bourjois cosmetics and a number of other French brands. Quality product must have been the focus of the business. Continue reading