Francine and Jean-Pierre Durand at Aenny Catzenstein's 80th birthday; London Portraits Family

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TlCaBa2Cu2O7: The 1122 (90 K) superconductor in the new Tl(Ca,Ba)n+1CunO2n+3 seriesstar, open

The 1122 (n=2) member of the Tl(Ca,Ba)n+1CunO2n+3 series containing a single Tl-O layer is shown to be associated with a Tc of 90 K. This value of Tc is significantly lower than that of the 2122 phase (Tcnot, vert, similar110 K) with two Tl-O layers.

Reproduction of painted portrait of Marcus Elias Marcus, age 76 Portraits Men

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Portrait of Leopold Meyerhof in his World War I officer's uniform Military; World War I; Portraits

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Studio portrait of Grete Lifmann nee Meyerhof Portraits Women

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Adolpf Molling, Janet Krakauer nee McColl, Hymie Joachim and Thomas Krakauer (l-r); Weggis, Switzerland Portraits Groups

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Portrait of Yael Arnold Portraits Women

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Portrait of Yael Bernkopf with her grandmother Aenny Catzenstein nee Gottschalk; Israel Portraits Family

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Portrait of Rolf Arnold Portraits Men

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Maren Matthiesen outdoors with dog; Coppet, Switzerland Portraits Women

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Margot Molling with her brother Adolf Molling; Laughlin, Nevada Portraits Family

Temperature: 117 F

Ellen Bernkopf nee Catzenstein working on a sculpture Portraits Women

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Studio portrait of Franz Matthiesen Portraits Men

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Patrick and Susan Matthiesen playing chess at Aenny Catzenstein nee Gottschalk's 80th birthday; London Portraits Family

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Aenny Catzenstein nee Gottschalk at her desk; London Portraits Women

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