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.

Note from Svante Arrhenius (1859-1927) to an unidentified recipient in which Arrhenius requests that Georg Bredig (1868-1944) be updated on a corrected calculation for an experiment.

Calling card belonging to Paul von Groth (1843-1927). Groth was a German mineralogist, professor, and curators of minerals at the State Museum at Munich. He is known for his systematic classification of minerals based…

Photograph of the physical chemistry building at the University of Leipzig, 1900. In front of the building, there is an unidentified man posing with a mailbox.

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…

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…

Sepia-toned photograph of seven 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 portrait of Carl Engler (1842-1925).

Carl Engler (Karl Engler) was a German chemist, academic, and politician. He studied indigo synthesis, petrochemistry, and ozone. He created the Engler viscometer,…

Black and white portrait of Cornelis A. Lobry de Bruyn (1857-1904). De Bruyn was an organic and pharmaceutical chemist and professor at the University of Amsterdam. His research on the three isomers of dinitrobenzene…

Portrait of Ernst Cohen (1869-1944), a Dutch scientist and professor, who was known for his research in the allotropy of tin. Cohen worked under Svante Arrhenius (1859-1927), Henri Moissan (1852-1907), and Jacobus van…

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

Portrait of a Julius Wilhelm Brühl (1850-1911). Brühl was a chemist and creator of organic spectrochemistry .

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 portrait of Paul Pfeiffer (1875-1951). Pfeiffer was a German organic and inorganic chemist who studied under Alfred Werner (1866-1919) at the University of Zurich. Throughout his life, he was a professor…

Portrait of Paul Soauer (1839-1916), a German botanist, mycologist, and plant pathologist.

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…

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…

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…

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…

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…

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…

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…

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…

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…

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…