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…

Black and white photograph of three men in a workshop at the University of Leipzig. The men are identified by an inscription beneath the photograph from left to right as Henry L. Heathcote, Johannes Brode, and Wilhelm…

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…

Black and white photograph of scientists in a laboratory at the University of Leipzig shown working at long tables cluttered with scientific apparatuses and glassware. The scientists in the photograph are identified by…

Portrait of Marcellin Berthelot (1827-1907) likely taken by Eugène Pirou (1841-1909). Berthelot was a French chemist, historian, and politician. His work in chemistry focused on organic synthesis and thermochemistry.
…

Black and white photograph of the Physical Chemistry Institute building at the University of Leipzig. The Institute was founded in 1898 by Wilhelm Ostwald (1853-1932). In 1998, it was renamed the Wilhelm Ostwald…

Notes handwritten by Dutch physical chemist, Jacobus H. van’t Hoff (1852-1911). Van’t Hoff was the first winner of the Nobel Prize in chemistry in 1911 and is considered to be one of the lead pioneers of the field of…

Black and white photograph of Svante Arrhenius (1859-1927) and Wilhelm Ostwald (1853-1932) sitting outdoors in Leipzig.

Black and white photograph of Wilhelm Ostwald (1853-1932) giving a lecture to a filled auditorium.

On the bottom of the picture mat Georg Bredig (1868-1944) has annotated the audience members' names.

Lecturer:…

Portrait of Reginald Oliver Herzog (1878-1935). Herzog was known for discovering the microcrystalline structure for cellulose. He worked at Technische Hochschule at Karlsruhe from 1905 to 1912. He worked as a professor…

Reproduction of a print by artist Robert Seymour (1798-1836) originally completed circa 1820. The Norfolk Coach depicts a horse-drawn carriage being pulled through snowy streets and piled high with pheasants.

Portrait of Friedrich Pockels (1865-1913), a German physicist and professor at the University of Heidelberg.