Markus Reiner ( he, מרכוס ריינר, born 5 January 1886, died 25 April 1976) was an Israeli scientist and a major figure in

rheology Rheology (; ) is the study of the flow of matter, primarily in a fluid (liquid or gas) state, but also as "soft solids" or solids under conditions in which they respond with Plasticity (physics), plastic flow rather than deforming Elasticity (phy ...

Biography

Reiner was born in 1886 in

Czernowitz Chernivtsi ( uk, Чернівці́}, ; ro, Cernăuți, ; see also other names) is a city in the historical region of Bukovina, which is now divided along the borders of Romania and Ukraine, including this city, which is situated on the up ...

, Bukovina, then part of

Austria-Hungary Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...

, and obtained a degree in

Civil Engineering Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewa ...

at the Technische Hochschule in

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

(

Vienna University of Technology TU Wien (TUW; german: Technische Universität Wien; still known in English as the Vienna University of Technology from 1975–2014) is one of the major universities in Vienna, Austria. The university finds high international and domestic recogn ...

). After the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, he emigrated to

Mandatory Palestine Mandatory Palestine ( ar, فلسطين الانتدابية '; he, פָּלֶשְׂתִּינָה (א״י) ', where "E.Y." indicates ''’Eretz Yiśrā’ēl'', the Land of Israel) was a geopolitical entity established between 1920 and 1948 ...

, where he worked as a civil engineer under the British mandate. Reiner married Margalit Obernik and had two children, Ephraim and Hana. He later remarried Dr. Rivka Schoenfeld and had two daughters, Dorit and Shlomit. His granddaughter is Prof.

Tal Ilan Tal Ilan (born 1956) is an Israeli-born historian, notably of women's history in Judaism, and lexicographer. She is known for her work in rabbinic literature, the history of ancient Judaism, the Dead Sea Scrolls, ancient Jewish historiography, Jew ...

. After the founding of the state of

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

, he became a professor at the Technion (Israel Institute of Technology) in

Haifa Haifa ( he, חֵיפָה ' ; ar, حَيْفَا ') is the third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of in . The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropol ...

. In his honour the Technion later instituted the Markus Reiner Chair in Mechanics and Rheology.

Research

Reiner was not only a major figure in

, he along with Eugene C. Bingham coined the term and founded a society for its study. As well as the term rheology, and his publications, he is known for the Buckingham-Reiner Equation, the Reiner-Riwlin Equation, and Reiner-Rivlin fluids, the

Deborah number The Deborah number (De) is a dimensionless number, often used in rheology to characterize the fluidity of materials under specific flow conditions. It quantifies the observation that given enough time even a solid-like material might flow, or a flui ...

and the Teapot effect – an explanation of why tea runs down the outside of the spout of a teapot instead of into the cup.

Awards

* 1958 Israel Prize, in exact science. * 1966 Gold Medal of the

British Society of Rheology A British society for those interested in all aspects of rheology. Formed in 1940 by G. W. Scott Blair (Secretary), V. G. W. Harrison, and H. R. Lang as the British Rheologist's Club and changed to its present name in 1950. The inaugural meeting ...

References

Primary source

* G. W. Scott-Blair (1976), ''Rheologica Acta'', volume 15 no 7/8, pages 365–266

Biography

Research

Awards

See also

References

Primary source

Further reading