13 Facts About Wilhelm Lexis

Wilhelm Lexis, full name Wilhelm Hector Richard Albrecht Lexis, was a German statistician, economist, and social scientist.

Wilhelm Lexis graduated in 1859 from the University of Bonn, where he studied science and mathematics.

Wilhelm Lexis spent some time afterwards in various occupations and, in 1861, went to Paris to study social science.

Wilhelm Lexis spent about ten years in Paris, after which he took a teaching position in Strasbourg.

At some point during this period, Wilhelm Lexis wrote his first book and had it published in 1875, by which time he was teaching at the Imperial University of Dorpat in Russia.

Wilhelm Lexis moved on from Freiburg to the University of Breslau but stayed there only a few years.

Wilhelm Lexis then settled in Gottingen, taking a position at that city's University.

In 1901, Wilhelm Lexis became a member of the Insurance Advisory Council for Germany's Federal Insurance Supervisory Office.

Wilhelm Lexis remained a member of the Council until his death in 1914.

Wilhelm Lexis was the editor of a book on the German education system.

Wilhelm Lexis called this ratio Q Lexis then reasoned that if Q was sufficiently close to 1, then the time series was exhibiting what he called "normal dispersion" and one could assume that it was stable.

The use of Wilhelm Lexis diagrams is very common amongst demographers, so much so that they often are used without being identified as Wilhelm Lexis diagrams.

Wilhelm Lexis introduced his diagram in his first book, Introduction to the Theory of Population Statistics.