Nov 29, 2025

Max Beckmann and the Jewish families searching for Nazi-looted art

1. German Lost Art Foundation lists 97 entries for Max Beckmann

Jewish families searching for Beckmann paintings and drawings include:

  1. Aufricht, Ernst Josef
  2. Buchthal, Eugen Moritz und Therese (Thea)
  3. Dittmayer (Familie)
  4. Eisenmann, Margarete (geb. Ledermann)
  5. Flersheim, Martin und Florence
  6. Glaser, Prof. Dr. Curt
  1. Kantorowicz, Hermann und Elsa Ulrike (geb. Czapski)
  2. Lachmann-Mosse, Hans
  3. Ploschitzki, Johanna (geb. Zender)
  4. Posen, Anna und Sidney
  5. Speyer, Peter Ernst Hans Willy


(The Flechtheim family had filed claims but are not in the Lost Art list)

2: Breaking Data Silos


Wikidata Query to retrieve external identifiers for these people

#title: Lost Art collectors searching for Max Beckmann artworks
SELECT DISTINCT 
 ?Pic ?item ?itemLabel ?itemDescription ?type ?typeLabel ?Lost_Art_ID ?GND_ID ?Geni ?Proveana_ID ?_Yale_LUX_ID ?ULAN ?LCA ?role ?roleLabel
  ?British_Museum_person_or_institution_ID 
  ?National_Gallery_of_Art_artist_ID 
   ?Nelson_Atkins_Museum_of_Art_person_ID 
  ?J__Paul_Getty_Museum_agent_ID 
  ?RKD 
  ?Met_Constituent_ID 
  ?Lexikon_der_österreichischen_Provenienzforschung_ID 
  ?ARTIC_artist_ID 
  ?SMB_digital_ID 
  ?SMB_digital_asset_ID 
  ?Pinakothek_artist_ID 
  ?Musées_Nationaux_Recuperation_ID 
  ?Artsy_artist_ID 
  ?Europeana_entity
WHERE {
  SERVICE wikibase:label { 
    bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en". 
  }

  # -----------------------------
  # INSERTED QIDs
  # -----------------------------
  VALUES ?item {wd:Q1358871 wd:Q104526039 wd:Q55908633 wd:Q106406607 wd:Q131384212 wd:Q94766666 wd:Q112450 wd:Q137164040 wd:Q102515 wd:Q22670686 wd:Q126424038 wd:Q131534959 wd:Q137164055                          
  }

  OPTIONAL { ?item wdt:P31 ?type. }
  OPTIONAL { ?item wdt:P2868 ?role. }
  OPTIONAL { ?item wdt:P18 ?Pic. }
  OPTIONAL { ?item wdt:P2600 ?Geni. }
  OPTIONAL { ?item wdt:P1711 ?British_Museum_person_or_institution_ID. }
  OPTIONAL { ?item wdt:P2252 ?National_Gallery_of_Art_artist_ID. }
  OPTIONAL { ?item wdt:P13591 ?_Yale_LUX_ID. }
  OPTIONAL { ?item wdt:P245 ?ULAN. }
  OPTIONAL { ?item wdt:P227 ?GND_ID. }
  OPTIONAL { ?item wdt:P5273 ?Nelson_Atkins_Museum_of_Art_person_ID. }
  OPTIONAL { ?item wdt:P12040 ?J__Paul_Getty_Museum_agent_ID. }
  OPTIONAL { ?item wdt:P650 ?RKDa. }
  OPTIONAL { ?item wdt:P1428 ?Lost_Art_ID. }
  OPTIONAL { ?item wdt:P10882 ?Met_Constituent_ID. }
  OPTIONAL { ?item wdt:P9585 ?Lexikon_der_österreichischen_Provenienzforschung_ID. }
  OPTIONAL { ?item wdt:P9434 ?Proveana_ID. }
  OPTIONAL { ?item wdt:P6295 ?ARTIC_artist_ID. }
  OPTIONAL { ?item wdt:P8923 ?SMB_digital_ID. }
  OPTIONAL { ?item wdt:P13531 ?SMB_digital_asset_ID. }
  OPTIONAL { ?item wdt:P4025 ?Pinakothek_artist_ID. }
  OPTIONAL { ?item wdt:P10039 ?Musées_Nationaux_Recuperation_ID. }
  OPTIONAL { ?item wdt:P2042 ?Artsy_artist_ID. }
  OPTIONAL { ?item wdt:P9778 ?LCA. }
  OPTIONAL { ?item wdt:P7704 ?Europeana_entity. }
}


3. DATASET of Lost Art people looking for Beckmann artworks and the external identifiers for the people



(excerpt)

itemitemLabelitemDescriptionLost_Art_IDGND_IDGeniProveana_ID_Yale_LUX_ID
http://www.wikidata.org/entity/Q112450Curt GlaserGerman Jewish art historian and art collector persecuted by Nazis, refugee (1879-1943)5401611189422716000000068463011954act20000125person/2a58e170-f2c6-4ec3-9a01-6dbfd4fc601e
http://www.wikidata.org/entity/Q55908633Hans DittmayerGerman art collector (1892-1946)5404921014776953act10000248
http://www.wikidata.org/entity/Q102515Hans Lachmann-MosseGerman Jewish publisher, property seized by Nazis, (1885-1944)5418481335444866000000024033922269
http://www.wikidata.org/entity/Q1358871Ernst Josef AufrichtGerman Jewish actor, director, art collector and emigrant to USA (1898-1971)5420071186510646000000182796345821person/be8ea4a1-5bcf-491c-bf92-bff8d277a112
http://www.wikidata.org/entity/Q137164040Hermann Bernhard KantorowiczBrewery owner, art collector and refugee (1886-5422896000000032817386794
http://www.wikidata.org/entity/Q131384212Florence FlersheimArt collector (1864-1950)542404
http://www.wikidata.org/entity/Q94766666Martin FlersheimGerman businessman and art collector (1856-1935)542404142943479
http://www.wikidata.org/entity/Q22670686Hansi ShareGerman Jewish artist and art collector, emigrant from Nazi Germany to USA (1887-1981)542630116246502
http://www.wikidata.org/entity/Q104526039Eugen BuchthalGerman Jewish businessman and art collector persecuted by the Nazis574014act00000871
http://www.wikidata.org/entity/Q106406607Margarete EisenmannJewish art collector murdered in the Holocaust born 1867-02-196012966000000015672606152act10004422
http://www.wikidata.org/entity/Q137164055Peter Ernst Hans Willy Speyerart collector murdered in Holocaust (1883-1943)6133976000000030366541145
http://www.wikidata.org/entity/Q131534959Sidney PosenGerman Jewish factory owner and art collector (1852–1937)6153816000000095628471934
http://www.wikidata.org/entity/Q126424038Anna PosenGerman Jewish art collector (1860 - 1944)6153816000000095622082293act00001402
http://www.wikidata.org/entity/Q74128Alfred FlechtheimGerman Jewish art dealer, persecuted by Nazis (1878-1937)1189527146000000002231924837person/c66046de-e82f-46cf-be61-84851b0b4d03



- bonus - 
4. What happens if one asks an AI Chatbot about Beckmann claims?
ChatGPT5.1 attempts to respond.

🚫 Typical Arguments / “Excuses” for Denial of Restitution Claims on Beckmann Works

  1. Questioning whether the sale was “under duress”

    • Museums/states argue there is “not enough evidence” that the sale was forced or coerced. For example, in other Nazi-era art restitution cases, institutions have denied recovery claims by saying that the original sale was “voluntary” — even if the seller was persecuted, the formal transaction seems regular. lootedart.com+2Artforum+2

    • In the Flechtheim — Beckmann case, the Bavarian state once refused even to refer the claim to a restitution commission, essentially rejecting the premise that the sales were illegitimate. lootedart.com+1

  2. Reliance on formal legality of the transfer

    • If there is a deed of sale, an auction catalogue, or other documentation suggesting a “regular” sale at “fair” price (by the standards of the time), institutions may claim that there is no legal basis for restitution. This mirrors arguments used in other restitution cases described more broadly. Wikipedia+1

    • In some cases (outside Beckmann proper), institutions have accepted that the owner was persecuted — but still rejected restitution on the grounds that the sale price was comparable to market value at the time, suggesting monetary “normalcy.” Wikipedia+2Wikipedia+2

  3. Statute-of-limitations and procedural/legal obstacles

    • In jurisdictions like the U.S., restitution lawsuits for Nazi-era art can be complicated by statutes of limitation or requirements about “actual knowledge” of a claim, which courts sometimes use to dismiss cases. fordhamlawreview.org+1

    • In the Beckmann / Flechtheim suit in New York (filed by the heirs), such legal and procedural obstacles have been part of the challenge. grossmanllp.com+2Artforum+2

  4. Institutional or political reluctance; bureaucratic inertia

    • In some cases, claims are not even submitted to relevant restitution commissions — as happened with the Bavarian authorities refusing to refer the Beckmann-Flechtheim case to a commission for review. lootedart.com+1

    • More broadly, critics have argued that some states or institutions avoid restitution by exploiting vague thresholds for what constitutes a “forced sale,” or by requiring burdensome proof which is effectively impossible many decades later. Wikipedia+2Artforum+2

  5. Market-value defence: “the price paid was fair”

    • In restitution jurisprudence (outside only Beckmann), one common argument is that if the buyer paid a price that was “on the market,” this indicates the sale was not under duress. For example, in claims over the Guelph Treasure, a restitution commission ruled that the price paid was within market range, and thus rejected the claim. Wikipedia+1

    • While that specific example concerns different artworks, the logic is often echoed in institutions’ refusals of claims — including those involving dealers like Flechtheim and artists like Beckmann.

  6. Lack of “special bond” or public-interest claim argument (in public collections)

    • In some non-German cases, restitution bodies have denied repatriation of artworks on the ground that the museum or public collection has a “significant place” for the work and the heirs do not have a sufficiently strong or special connection to it. Wikipedia+2Wikipedia+2

    • Although not publicly accepted in the German Beckmann case as of the consolidated records, this line of reasoning reflects a broader pattern among restitution bodies and illustrates the kinds of institutional resistance that can emerge even decades after the fact.


⚠️ Critiques of These Excuses (Why They Are Problematic)

  • Historical context matters: Arguing that a sale was “voluntary” or “at market price” ignores the coercive climate for Jewish dealers under the Nazis — the pervasive antisemitic pressure, forced “Aryanization,” social ostracism, and the existential threat that made “voluntary” sales anything but. Restitution advocates consider such technical arguments inadequate to address the moral and historical injustice.

  • Burden of proof is often unrealistic: Many relevant documents — contracts, correspondence, personal testimony — were lost, destroyed, or never existed. Requiring “smoking-gun” proof of coercion decades later sets an almost insurmountable barrier for heirs.

  • Institutional inertia and political economy: Cultural institutions may have financial, reputational, or bureaucratic incentives to retain artworks. Refusing claims on technicalities perpetuates loss for descendants.

  • Moral vs. legal justice: Even if a sale was formally “legal,” the moral responsibility to correct Nazi-era dispossessions remains. Strict reliance on legality often prioritises institutional ownership over justice for persecuted families.











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