Portrait of Ernst Gottschalk (seated second row center) with eight unidentified soldiers; Rendsburg, Germany. Military Portraits groups

Morgen hat Reserve Ruh / Auf Wiedersehen / Beste Gruesse; postcard signer Gottschalk; addressee: L Nurzinsky, Altona-Othmarschen, Aidikes Str.

Methyl 2-methyl-2H-1,2,3-triazole-4-carboxylate

In the title compound, C5H7N3O2, all non-H atoms lie in a common plane, with a maximum deviation of 0.061 (2)° for the ester methyl C atom. The structure is stabilized by intermolecular C-H O hydrogen bonds.

Elizabeth Gottschalk with unidentified classmates on a field trip from Sophienschule; Hannover, Germany. Institutions; Educational; Schools; Portraits; Groups

Elizabeth Gottschalk is probably the student far left on the horse wagon

N-Acetylglycyl-L-lysine methyl ester acetate

C llH22 N 30 + . C2H302, orthorhombic, P2~2~2~, a = 5.511(2), b = 14.588(4), c = 21.109 (4)A, Z = 4. The structure has been solved using MULTAN and refined to R = 0.079 for 993 observed reflections. The fully extended lysine side chain in the molecule is staggered between the main-chain amino and carbonyl groups. The dipeptide molecules in the crystal structure are arranged in twofold helices centred on 21 screw axes. These helices are interconnected through interactions involving the acetate and the side-chain amino groups. Each acetate group bridges two adjacent side-chain amino groups, related by an a translation, giving rise to an infinitely long chain of alternating negatively charged carboxylate and positively charged amino groups.

Peter Molling with his governess Ferna and a dog; Berlin. Portraits Groups

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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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Unidentified girls class seated at desks in classroom Institutions; Educational; Schools; Portraits; Groups

"Chanukah" written on blackboard at rear left of classroom

Unidentified girls class Institutions; Educational; Schools; Portraits; Groups

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

Verso: "Listening to new recordings. Berlin 1932"

Gathering in the home of Dr. Alfred Stern and his wife Lotte nee Wallerstein; Paula Wallerstein nee Molling; Rheydt, Germany. Portraits Groups

Dr. Alfred Stern probably standing far left; Paula Wallerstein nee Molling seated in center

Albert and Elsa Einstein on the beach with Walter Adams; Santa Barbara, California Portraits; Groups

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Albert Einstein with his son-in-law Rudolf Kayser Portraits Groups; Men

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Albert Einstein with David Ben Gurion; Princeton, New Jersey Portraits; Groups; Men

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Albert and Elsa Einstein at the Shanghai home of Chinese painter and calligrapher Wang Yiting; with Shanghai University President Yu Youren, former Beijing University professor Zhang Junmai, the Einstein's Japanese hosts Mr. and Mrs. Inagaki, and Einstein's colleague Mr. Pfister and his wife (and daughter?) Portraits Groups

Dedication: Freundlichste Erinnerung an Herrn Prof. Einstein und seine Frau Gemahlin. I-Jing Wang, Shanghai, China