Heinrich Carl Franz Emil Timerding (23 January 1873 in

Strasbourg Strasbourg ( , ; ; ) is the Prefectures in France, prefecture and largest city of the Grand Est Regions of France, region of Geography of France, eastern France, in the historic region of Alsace. It is the prefecture of the Bas-Rhin Departmen ...

(On the occasion of his 70th birthday) – 30 April 1945 in

Braunschweig Braunschweig () or Brunswick ( ; from Low German , local dialect: ) is a List of cities and towns in Germany, city in Lower Saxony, Germany, north of the Harz Mountains at the farthest navigable point of the river Oker, which connects it to the ...

) was a German

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

, professor at the

Braunschweig University of Technology TU Braunschweig (, unofficially ''University of Braunschweig – Institute of Technology'') is the oldest ' (comparable to an institute of technology in the American system) in Germany. It was founded in 1745 as Collegium Carolinum and is a membe ...

, mainly known for his contributions to

probability theory Probability theory or probability calculus is the branch of mathematics concerned with probability. Although there are several different probability interpretations, probability theory treats the concept in a rigorous mathematical manner by expre ...

. He was awarded the Brunswick and the Prussian

War Merit Cross The War Merit Cross () was a state decoration of Nazi Germany during World War II. By the end of the conflict it was issued in four degrees and had an equivalent civil award. A " de-Nazified" version of the War Merit Cross was reissued in 1957 ...

, the Ritterkreuz (

Knight's Cross Knight's Cross (German language ''Ritterkreuz'') refers to a distinguishing grade or level of various orders that often denotes bravery and leadership on the battlefield. Most frequently the term Knight's Cross is used to refer to the Knight's Cro ...

) of the

Order of Henry the Lion Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * ...

, and in 1938 the Nazi Civil Service Faithful Service Medal. In 1900 he attended

Columbia University Columbia University in the City of New York, commonly referred to as Columbia University, is a Private university, private Ivy League research university in New York City. Established in 1754 as King's College on the grounds of Trinity Churc ...

New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...

the

American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, ...

's summer meeting, where he read a paper.

Main publications

''Über die Kugeln, welche eine cubische Raumcurve mehrfach oder mehrpunktig berühren.''
R. Schultz & co, Strassburg 1894 *
Geometrie der Kräfte
', Teubner, Leipzig 1908
''Die Erziehung der Anschauung''
Teubner, Leipzig, 1912 * ''Handbuch der angewandten Mathematik Vol. 1. Praktische Analysis. Vol. 2. Darstellende Geometrie.'', Teubner 1914
''Analyse des Zufalls''
1915 * ''Der goldene Schnitt'', 1919 * '' Robert Mayer und die Entdeckung des Energiegesetzes'', 1925.

References

* ''One Hundred Years of l’Enseignement Mathematique'', Moments of Mathematics Education in the Twentieth Century, Geneva 200

* Walter Kertz, ''Technische Universität Braunschweig vom Collegium Carolinum zur Technischen Universität 1745 – 1995'', Hildesheim 1995 * Wolfgang Schneider, ''Die Technische Hochschule Braunschweig; Länderdienst'', Verlag Berlin-West, Basel 1963 * Anders Hald, ''A history of mathematical statistics from 1750 to 1930'', 1998 ()

External links

* * 1873 births 1945 deaths Scientists from Strasbourg 19th-century German mathematicians 20th-century German mathematicians Academic staff of TU Braunschweig People from Alsace-Lorraine {{Germany-mathematician-stub