Frantisek Wald (1861-1931), a Czech chemist, provides his opinion on the burgeoning field of physical chemistry in a letter to his colleague, Georg Bredig (1868-1944).

Georg Bredig (1868-1944) asks his colleague about a chemical substance.

Postcard from Frantisek Wald (1861-1930) to Georg Bredig (1868-1944), mentioning publications in the Journal Physical Chemistry. Wald was the chief chemist of the Prazska Zelezarska Spolecnost Ironworks in Kladno, Czech…

Hans Friedenthal (1870-1943), a German physiologist, thanks Georg Bredig (1868-1944) for sending his work on fermentation. Friedenthal describes his understanding of fermentation from a biological perspective and asks…

Richard Anschütz (1852-1937), a German organic chemist and professor of chemistry at the University of Bonn, corresponds with Georg Bredig (1868-1944) regarding the preparation of maleic acid esters.

Pierre Duhem (1861-1916), a French theoretical physicist, thanks Georg Bredig (1868-1944) for translating his work from French into German.

Pierre Duhem (1861-1916), a French theoretical physicist, thanks Georg Bredig (1868-1944) for translating his work from French into German, and responds to questions that Bredig posed to him in previous correspondence.

Svante Arrhenius (1859-1927) and two of his colleagues convey their well-wishes to Georg Bredig (1868-1944) from Stockholm, Sweden in August 1899.

Max Bodenstein (1871-1942), a German physical chemist, informs Georg Bredig (1868-1944) that their scientific work would likely not interfere with each other. Bodenstein suggests that Bredig continue working with…

Svante Arrhenius (1859-1927) updates Georg Bredig (1868-1944) on his professional endeavors in Sweden and England in late 1899.

Eduard Buchner (1860-1917), a German chemist and zymologist who won the Nobel Prize in Chemistry in 1907, discusses his work on enzymes in a letter to Georg Bredig (1868-1944). Buchner additionally expresses his…

Newspaper article titled Karlsruher chemische Gesellschaft or in English Karlsruhe Chemical Society . On the reverse is an article about the chemical society in Stockholm, Sweden.

Calling card and note to Georg Bredig (1868-1944) written by Theodor Paul (1862-1928), a professor in the field of pharmaceutical chemistry.

Paul Walden (1863-1957), a German-Latvian chemist known for his work in stereochemistry, thanks Georg Bredig (1868-1944) for sending his treatise "Ueber anorganische Fermente" ("On Inorganic Ferments"). Walden…

Calling card belonging to Arthur von Oettingen (1836-1920) a German physicist and music theorist. Includes note written to Georg Bredig (1868-1944).

Mail in order postcard for the Gustav Fock Bookstore. Karl Heinrich Gustav Fock (1854-1910) was a bookseller and publisher, specializing in books on physical, chemical and mathematical subjects.

Sepia-toned photograph of three chemists at work in the physical chemistry lab at the University of Leipzig. Chemists in the photograph are identified by handwritten inscriptions on the photo from left to right as…

Black and white photograph of a group of men gathered around a laboratory table. All are dressed in bonnets and ruffled dresses and some hold toy instruments. The photo's caption reads "Damenkapelle für…

Framed photograph of Jacobus Henricus van 't Hoff (1852-1911) and Wilhelm Ostwald (1853-1932) in a laboratory. The photograph depicts the two men standing behind a table examining a scientific apparatus. The frame is…

Black and white photograph of chemists, Frederick William Skirrow (1876-) at left and Henry L. Heathcote on the right, mixing a solution in a University of Leipzig laboratory.

Black and white photograph of the members of the Breakfast and Coffee Club from the physical chemistry department of Leipzig University in 1900. The people in the photograph pose on a staircase holding coffee cups.
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Nikolai Menshutkin (1842-1907) compliments Georg bredig (1868-1944) on his work die anorganische Fermente. He expresses his excitement for the new field of research in catalysts.

Georg Breidg (1868-1944) receives a letter from his uncle, Otto Levis, requesting that Georg send Dr. Boruttau, a physiologist in Göttingen, his two most recent publications on colloids.

Sepia-toned and annotated photograph of two men, one identified as "Naumann," at the physical chemistry department of Leipzig University. Behind the men are shelves with glassware.