Johann Heinrich Louis Krüger (21 September 1857 – 1 June 1923) was a

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

mathematician and

surveyor Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and the distances and angles between them. These points are usually on the ...

/ geodesist. He became director of the Prussian Geodetic Institute of Potsdam in 1917 and wrote several books on geodesy, operational and theoretical. In 1912, he presented his "Konforme Abbildung des Erdellipsoids in der Ebene", one of the works that led to the 1923 Gauss–Krüger map projection.

References

{{DEFAULTSORT:Kruger, Johann 1857 births 1923 deaths German surveyors 19th-century German mathematicians 20th-century German mathematicians German geodesists