Portrait of Arno Nadel holding a copy of Wagner's "Tannhauser"; Hamburg Portraits; Men

Handwritten on verso: "Hamburg den 27 11.17 Sontag"

Arno Nadel (2nd from right) with undentified men listening to new recordings; Berlin Portraits; Groups; Men

Verso: "Listening to new recordings. Berlin 1932"

Evidence for extensive population structure in the white-spotted eagle ray within the Indo-Pacific inferred from mitochondrial gene sequences

The white-spotted eagle ray Aetobatus narinari is a species complex that occurs circumglobally throughout warm-temperate waters. Aetobatus narinari is semi-pelagic and large (up to 300 cm disc width), suggesting high dispersal capabilities and gene flow on a wide spatial scale. Sequence data from two mitochondrial genes, cytochrome b (cytb) and NADH dehydrogenase subunit 4 (ND4), were used to determine the genetic variability within and among 18 sampling locations in the central Indo-Pacific biogeographical region. Populations in the Indo-Pacific were highly genetically structured with c. 70% of the total genetic variation found among three geographical regions (East China Sea, Southeast Asia and Australia). FST was 0.64 for cytb and 0.53 for ND4, with φST values being even larger, that is, 0.78 for cytb and 0.65 for ND4. This high-level genetic partitioning provides strong evidence against extensive gene flow in A. narinari. The degree of genetic population structuring in the Indo-Pacific was similar to that found on a global scale. Global FST was 0.63 for cytb and 0.57 for ND4, and global φST values were 0.94 for cytb and 0.82 for ND4. This suggests that the A. narinari complex may be more speciose than the two or three species proposed to date. Further sampling and genetic analyses are likely to uncover the ‘evolutionarily significant’ and ‘management’ units that are critical to determine the susceptibilities of individual populations to regional fishing pressures and to provide advice on management options. Network analyses showed a close genetic relationship between haplotypes from the central Indo-Pacific and South Africa, providing support for a proposed dispersal pathway from the possible centre of origin of the A. narinari species complex in the Indo-Pacific into the Atlantic Ocean.

Martin Buber seated on wall outdoors at breakfast time; Berne Portraits Men

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Arthur Liebert, Albert Einstein, Franz Oppenheimer, Mrs. Kurt Goldstein, Fritz Medicus and Arthur Liebert's son walking outside the Grand Hotel Curhaus during the Davoser Hochschulkurse; Davos, Switzerland Portraits Groups

The Davoser Hochschulkurse took place for the first time in 1928. Mainly university teachers from Germany, France, Switzerland (perhaps elsewhere) offered lectures to students recovering from tuberculosis at the health resort in the Swiss mountains. The lecturers were accommodated at the Grand Hotel Curhaus, where the lectures also took place.

Lucien Levy-Bruehl, Albert Einstein, Franz Oppenheimer, Arthur Liebert and his son, Paul Tillich, unidentified woman and Mrs. Charles Blondel outside the Grand Hotel Curhaus during the Davoser Hochschulkurse; Davos, Switzerland Portraits Groups

The Davoser Hochschulkurse took place for the first time in 1928. Mainly university teachers from Germany, France, Switzerland (perhaps elsewhere) offered lectures to students recovering from tuberculosis at the health resort in the Swiss mountains. The lecturers were accommodated at the Grand Hotel Curhaus, where the lectures also took place.

Studio portrait of Joseph Molling and business partner Ernst Joachim (?); Hannover, Germany.

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Studio portrait of the six daughters of Solomon and Emilie Kohnberger: (l-r) Laura, Irene, Johanna, Melanie, Hermine and Martha.

Laura (1878-1917) died during a flu epidemic. She married Sigmund Stiassny and had two children, Lisbeth (Gersuny) (1900-1986) and Walter (1902-1912) who died of a ruptured appendix.

Studio portrait of the wood merchant Hermann Judey Portraits Men

Riga 1878? – New York 1959

Wood merchant Hermann Judey outdoors Portraits Men

Riga 1878? – New York 1959

Wood merchant Hermann Judey with his first wife Olga Judey nee Fischmann on the coast Portraits Couples

Hermann (Lazar Hirsch) Judey, born 1878 Riga and died 1959 New York; Olga Judey nee Fischmann, 1878-1929

Martin Buber with Naemah Beer-Hofmann Portraits Groups

Handwritten on verso: Prof. Martin Buber mit Naemah Beer-Hofmann in meinem Zimmer, Kurhaus Sonn-Matt bei Luzern. September 1963 fuer meine leibe Lily an einem schweren Tag, der durch sie viel leichter wurde.

Portrait of Albert Einstein in tempera (black and white) on cardboard Artworks

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Portrait of Dina Meyerhof nee Loebenberg. Portraits Women

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