Gerold Karl Schwarzenbach (15 March 1904 — 20 May 1978) was a Swiss

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...

. Schwarzenbach was born and grew up in

Horgen Horgen () is a municipality in the district of Horgen in the canton of Zürich in Switzerland. It is one of the larger towns along the south bank of the Lake of Zurich. On 1 January 2018 the former municipality of Hirzel merged into the mu ...

Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...

. He studied chemistry at the

ETH Zurich ETH Zurich (; ) is a public university in Zurich, Switzerland. Founded in 1854 with the stated mission to educate engineers and scientists, the university focuses primarily on science, technology, engineering, and mathematics. ETH Zurich ran ...

and graduated in 1928 with his dissertation ''Studien über die Salzbildung von Beizenfarbstoffen'' (Studies on the formation of pickling salt dyes). From 1930 to 1955 he was a lecturer and later professor of special inorganic and analytical chemistry at the

University of Zurich The University of Zurich (UZH, ) is a public university, public research university in Zurich, Switzerland. It is the largest university in Switzerland, with its 28,000 enrolled students. It was founded in 1833 from the existing colleges of the ...

. He retired in 1973. One of his main research topics was

coordination chemistry A coordination complex is a chemical compound consisting of a central atom or ion, which is usually metallic and is called the ''coordination centre'', and a surrounding array of chemical bond, bound molecules or ions, that are in turn known as ' ...

. Gerold was substantially involved in the study of

EDTA Ethylenediaminetetraacetic acid (EDTA), also called EDTA acid, is an aminopolycarboxylic acid with the formula . This white, slightly water-soluble solid is widely used to bind to iron (Fe2+/Fe3+) and calcium ions (Ca2+), forming water-solubl ...

and the involvement of

ligand In coordination chemistry, a ligand is an ion or molecule with a functional group that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's el ...

Honours and awards

*1963

Marcel Benoist Prize The Marcel Benoist Prize, offered by the Marcel Benoist Foundation, is a monetary prize that has been offered annually since 1920 to a scientist of Swiss nationality or residency who has made the most useful scientific discovery. Emphasis is pl ...

.Marcel-Benoist-Preis – Die bisherigen Preisträger:
Gerold Schwarzenbach
'' *1966

Paul Karrer Gold Medal The Paul Karrer Gold Medal and Lecture is awarded annually or biennially by the University of Zurich to an outstanding researcher in the field of chemistry. It was established in 1959 by a group of leading companies, including CIBA AG, J.R. Gei ...

*1967 Torbern Bergman Medal.''http://www.dac-euchems.org/events/reportanalysdagarna03.pdf'' *1971 Honorary doctorate from the

University of Berne The University of Bern (, , ) is a public research university in the Swiss capital of Bern. It was founded in 1834. It is regulated and financed by the canton of Bern. It is a comprehensive university offering a broad choice of courses and progra ...

References

External links

* {{DEFAULTSORT:Schwarzenbach, Gerold 1904 births 1978 deaths People from Horgen Swiss chemists ETH Zurich alumni