Valentin Rose the Elder (16 August 1736 – 28 April 1771) was a German

pharmacist A pharmacist, also known as a chemist (Commonwealth English) or a druggist (North American and, archaically, Commonwealth English), is a healthcare professional who prepares, controls and distributes medicines and provides advice and instructi ...

and

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe th ...

born in

Neuruppin Neuruppin (; North Brandenburgisch: ''Reppin'') is a town in Brandenburg, Germany, the administrative seat of Ostprignitz-Ruppin district. It is the birthplace of the novelist Theodor Fontane (1819–1898) and therefore also referred to as ''Font ...

. He is remembered for creation of a fusible

alloy An alloy is a mixture of chemical elements of which at least one is a metal. Unlike chemical compounds with metallic bases, an alloy will retain all the properties of a metal in the resulting material, such as electrical conductivity, ductili ...

known as

Rose metal Rose's metal, Rose metal or Rose's alloy is a fusible alloy with a low melting point. Rose's metal consists of 50% bismuth, 25–28% lead and 22–25% tin. Its melting point is between . The alloy does not appreciably contract or expand on solidi ...

, which is composed of

lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, ...

bismuth Bismuth is a chemical element with the symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony. Elemental bismuth occurs ...

and tin. Beginning in 1761, he was owner and manager of a laboratory and pharmacy in

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitu ...

known as ''Zum Weißen Schwan'' (At the White Swan). After his death in 1771, famed chemist

Martin Heinrich Klaproth Martin Heinrich Klaproth (1 December 1743 – 1 January 1817) was a German chemist. He trained and worked for much of his life as an apothecary, moving in later life to the university. His shop became the second-largest apothecary in Berlin, and ...

(1743–1817) became manager of the establishment. His son, also named Valentin Rose, was a noted pharmacist.

Mineralogist Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proce ...

Heinrich Rose Heinrich Rose (6 August 1795 – 27 January 1864) was a German mineralogist and analytical chemist. He was the brother of the mineralogist Gustav Rose and a son of Valentin Rose. Rose's early works on phosphorescence were noted in the Quarte ...

and

Gustav Rose Prof Gustavus ("Gustav") Rose FRSFor HFRSE (18 March 1798 – 15 July 1873) was a German mineralogist who was a native of Berlin. He was President of the German Geological Society from 1863 to 1873. Life He was born in Berlin the son of pharmaco ...

were his grandsons; the classicist Valentin Rose and the

surgeon In modern medicine, a surgeon is a medical professional who performs surgery. Although there are different traditions in different times and places, a modern surgeon usually is also a licensed physician or received the same medical training as ...

Edmund Rose were his great-grandsons.

References

Rose, Heinrich
at ''

Allgemeine Deutsche Biographie ''Allgemeine Deutsche Biographie'' (ADB, german: Universal German Biography) is one of the most important and comprehensive biographical reference works in the German language. It was published by the Historical Commission of the Bavarian Ac ...

''. 1736 births 1771 deaths 18th-century German chemists German pharmacists People from the Margraviate of Brandenburg {{Germany-chemist-stub