Wilhelm Lexis was an eminent
GermanGermany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
statisticianA statistician is someone who works with theoretical or applied statistics. The profession exists in both the private and public sectors. The core of that work is to measure, interpret, and describe the world and human activity patterns within it...
,
economistAn economist is a professional in the social science discipline of economics. The individual may also study, develop, and apply theories and concepts from economics and write about economic policy...
, and social scientist and a founder of the interdisciplinary study of
insuranceIn law and economics, insurance is a form of risk management primarily used to hedge against the risk of a contingent, uncertain loss. Insurance is defined as the equitable transfer of the risk of a loss, from one entity to another, in exchange for payment. An insurer is a company selling the...
.
Born in Eschweiler as the son of a physician, Lexis obtained a
Ph.D.Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...
in
PhysicsPhysics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...
from the University of Heidelberg, where he was an assistant of the famous
ChemistA chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...
Robert BunsenRobert Wilhelm Eberhard Bunsen was a German chemist. He investigated emission spectra of heated elements, and discovered caesium and rubidium with Gustav Kirchhoff. Bunsen developed several gas-analytical methods, was a pioneer in photochemistry, and did early work in the field of organoarsenic...
. He then worked as a
GymnasiumA gymnasium is a type of school providing secondary education in some parts of Europe, comparable to English grammar schools or sixth form colleges and U.S. college preparatory high schools. The word γυμνάσιον was used in Ancient Greece, meaning a locality for both physical and intellectual...
teacherA teacher or schoolteacher is a person who provides education for pupils and students . The role of teacher is often formal and ongoing, carried out at a school or other place of formal education. In many countries, a person who wishes to become a teacher must first obtain specified professional...
,
librarianA librarian is an information professional trained in library and information science, which is the organization and management of information services or materials for those with information needs...
, and
journalistA journalist collects and distributes news and other information. A journalist's work is referred to as journalism.A reporter is a type of journalist who researchs, writes, and reports on information to be presented in mass media, including print media , electronic media , and digital media A...
, until in 1872 he became, until 1874,
extraordinary professorA professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank...
at the newly-refounded German-language
ImperialThe German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...
University of Straßburg. In 1874-1876, he taught at the
University of TartuThe University of Tartu is a classical university in the city of Tartu, Estonia. University of Tartu is the national university of Estonia; it is the biggest and highest-ranked university in Estonia...
, then at the
University of FreiburgThe University of Freiburg , sometimes referred to in English as the Albert Ludwig University of Freiburg, is a public research university located in Freiburg im Breisgau, Baden-Württemberg, Germany.The university was founded in 1457 by the Habsburg dynasty as the...
im Breisgau, since 1884 at the
University of BreslauThe University of Wrocław is one of nine universities in Wrocław, Poland. Former, German university was founded in 1702 as Leopoldina, and re-founded in 1811 as Schlesische Friedrich-Wilhelms-Universität zu Breslau...
, and from 1887 at the University of Göttingen, which was his final appointment. He died in
GöttingenGöttingen is a university town in Lower Saxony, Germany. It is the capital of the district of Göttingen. The Leine river runs through the town. In 2006 the population was 129,686.-General information:...
.
Although the author of an
Allgemeine Volkswirtschaftslehre (general economics book) (1910) and certainly a distinguished
economistAn economist is a professional in the social science discipline of economics. The individual may also study, develop, and apply theories and concepts from economics and write about economic policy...
, even a pioneer of
Law and EconomicsThe economic analysis of law is an analysis of law applying methods of economics. Economic concepts are used to explain the effects of laws, to assess which legal rules are economically efficient, and to predict which legal rules will be promulgated.-Relationship to other disciplines and...
thinking and of the study of
consumptionConsumption is a common concept in economics, and gives rise to derived concepts such as consumer debt. Generally, consumption is defined in part by comparison to production. But the precise definition can vary because different schools of economists define production quite differently...
and
crisesA crisis is any event that is, or expected to lead to, an unstable and dangerous situation affecting an individual, group, community or whole society...
, Lexis is today primarily known as a
statisticianA statistician is someone who works with theoretical or applied statistics. The profession exists in both the private and public sectors. The core of that work is to measure, interpret, and describe the world and human activity patterns within it...
, partially due to his creation of the
Lexis ratioThe Lexis ratio is used in statistics as a measure which seeks to evaluate differences between the statistical properties of random mechanisms where the outcome is two-valued — for example "success" or "failure", "win" or "lose"...
. His reputation as a demographer is underlined by the ubiquity of Lexis Diagrams, which are named for him, although primary credit for their invention belongs to
Gustav ZeunerGustav Anton Zeuner was a German physicist, engineer and epistemologist, considered the founder of technical thermodynamics and of the Dresden School of Thermodynamics.-University and Revolution:...
and O. Brasche (a notable example of
Stigler's law of eponymyStigler's law of eponymy is a process proposed by University of Chicago statistics professor Stephen Stigler in his 1980 publication "Stigler’s law of eponymy". In its simplest and strongest form it says: "No scientific discovery is named after its original discoverer." Stigler named the...
). He is also one of the founding fathers of the interdisciplinary, professional study of
insuranceIn law and economics, insurance is a form of risk management primarily used to hedge against the risk of a contingent, uncertain loss. Insurance is defined as the equitable transfer of the risk of a loss, from one entity to another, in exchange for payment. An insurer is a company selling the...
. A
Kathedersozialist, he was closely affiliated with academic policy makers in
PrussiaPrussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...
and one of Friedrich Althoff’s experts and the editor of important works on German higher education, most famously the six-volume
Das Unterrichtswesen im Deutschen Reich, compiled for the
St. LouisSt. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...
World's FairWorld's fair, World fair, Universal Exposition, and World Expo are various large public exhibitions held in different parts of the world. The first Expo was held in The Crystal Palace in Hyde Park, London, United Kingdom, in 1851, under the title "Great Exhibition of the Works of Industry of All...
of that year and still the key reference work for that time. Lexis' theoretical works on social science
epistemology are largely forgotten but very relevant today.
External links
Major publications
- Einleitung in die Theorie der Bevölkerungsstatistik. Karl Trübner, Straßburg 1875 (Göttinger Digitalisierungszentrum)
- Zur Theorie der Massenerscheinungen in der menschlichen Gesellschaft. Fr. Wagner'sche Buchhandlung, Freiburg i. B. 1877 (University of Tartu)
- Abhandlungen zur Theorie der Bevölkerungs- und Moralstatistik. Gustav Fischer, Jena 1903 (University of Tartu)
- Allgemeine Volkswirtschaftslehre. B. G. Teubner, Berlin, Leipzig 1910 (University of Tartu)