Richard Gustav Müller (17 July 1903 – 7 July 1999) was a German

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 ...

. He and

Eugene G. Rochow Eugene George Rochow (October 4, 1909 – March 21, 2002) was an American inorganic chemist. Rochow worked on organosilicon chemistry; in the 1940s, he described the direct process, also known as the Rochow process or Müller-Rochow process. Bo ...

independently discovered the

direct process The direct process, also called the direct synthesis, Rochow process, and Müller-Rochow process is the most common technology for preparing organosilicon compounds on an industrial scale. It was first reported independently by Eugene G. Rochow and ...

organosilicon Organosilicon compounds are organometallic compounds containing carbon–silicon bonds. Organosilicon chemistry is the corresponding science of their preparation and properties. Most organosilicon compounds are similar to the ordinary organic co ...

compounds in 1941. That synthesis, also known as the ''Müller-Rochow process'' is the

copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkis ...

-catalysed reaction of

chloromethane Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is an organic compound with the chemical formula . One of the haloalkanes, it is a colorless, odorless, flammable gas. Methyl chloride is a crucial reagent in industrial ...

with

silicon Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic tab ...

. Müller was awarded the

National Prize of East Germany The National Prize of the German Democratic Republic (East Germany) (german: Nationalpreis der Deutschen Demokratischen Republik) was an award of the German Democratic Republic (GDR) given out in three different classes for scientific, artistic, ...

in 1952 for his work.

Career

Born in

Hartha Hartha is a town in the district of Mittelsachsen, in Saxony, Germany. It is situated 11 km west of Döbeln, and 12 km north of Mittweida. Personalities * Carl Grünberg (1847–1906), woven goods manufacturer in Hartha and politici ...

in the state of

Saxony Saxony (german: Sachsen ; Upper Saxon: ''Saggsn''; hsb, Sakska), officially the Free State of Saxony (german: Freistaat Sachsen, links=no ; Upper Saxon: ''Freischdaad Saggsn''; hsb, Swobodny stat Sakska, links=no), is a landlocked state of ...

, Müller attended the Volksschule (equivalent to elementary and junior high school) in Hartha and the G.E. Lessing Gymnasium (secondary school) in

Döbeln Döbeln ( hsb, Doblin) is a town in Saxony, Germany, part of the Mittelsachsen district, on both banks of the river Freiberger Mulde. History * 981: First written mention of Döbeln (Margravate of Meissen). * Around 1220: Döbeln is described ...

. After studying from 1923 to 1931 at the

University of Leipzig Leipzig University (german: Universität Leipzig), in Leipzig in Saxony, Germany, is one of the world's oldest universities and the second-oldest university (by consecutive years of existence) in Germany. The university was founded on 2 Decemb ...

, he received his doctorate in chemistry. From 1933 onwards he worked as a laboratory manager at Chemische Fabrik von Heyden, a large chemical plant located in

Radebeul Radebeul ( hsb, Radobyle) is a town (''große Kreisstadt'') in the Elbe valley in the district of Meißen (district), Meißen in Saxony, Germany, a suburb of Dresden. It is well known for its viticulture, a museum dedicated to writer Karl May ...

and famous as the world's first factory to produce

salicylic acid Salicylic acid is an organic compound with the formula HOC6H4CO2H. A colorless, bitter-tasting solid, it is a precursor to and a metabolite of aspirin (acetylsalicylic acid). It is a plant hormone, and has been listed by the EPA Toxic Substance ...

on an industrial scale. During his research there, in 1941 he succeeded in achieving industrial production of methylchlorosilanes, an important feedstock for the production of

silicone A silicone or polysiloxane is a polymer made up of siloxane (−R2Si−O−SiR2−, where R = organic group). They are typically colorless oils or rubber-like substances. Silicones are used in sealants, adhesives, lubricants, medicine, cooking ...

s. From 1954 to 1972 Müller taught as head of the Institute of Silicone and Fluorocarbon Chemistry at the

Dresden University of Technology TU Dresden (for german: Technische Universität Dresden, abbreviated as TUD and often wrongly translated as "Dresden University of Technology") is a public research university, the largest institute of higher education in the city of Dresden, th ...

, where the Faculty of Mathematics and Science, awarded him an honorary doctorate in 1992 “in recognition of outstanding achievements in the field of organosilicon chemistry.” The citation particularly acknowledged his “seminal work on industrially applicable synthesis of methylchlorosilanes, research contributions to the development of silicon organic chemistry and the long years of teaching” at the university.Ehrenpromovenden der TH/TU Dresden
(Honorary doctorates of TH/TU Dresden), 10 December 2015. Accessed 16 January 2016. In 2001, a street in Radebeul was named in honour of Richard Müller.

References

{{DEFAULTSORT:Muller, Richard 1903 births 1999 deaths 20th-century German chemists