Martin Ohm was a German

Germany

Germany , 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...

 mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 and a younger brother of physicist Georg Ohm

Georg Ohm

Georg Simon Ohm was a German physicist. As a high school teacher, Ohm began his research with the recently-invented electrochemical cell, invented by Italian Count Alessandro Volta. Using equipment of his own creation, Ohm determined that there is a direct proportionality between the potential...

. He earned his doctorate in 1811 at Friedrich-Alexander-University, Erlangen-Nuremberg

Friedrich-Alexander-University, Erlangen-Nuremberg

The Universität Erlangen Nürnberg is a university in the cities of Erlangen and Nuremberg in Bavaria, Germany. It is the second largest state university in Bavaria, having five Schools, 308 chairs, and 12,000 employees. There are 28,735 students enrolled at the university, of which about 2/3 are...

 where his advisor was Karl Christian von Langsdorf

Karl Christian von Langsdorf

Karl Christian von Langsdorf, also known as Carl Christian von Langsdorff, was a German mathematician, geologist, natural scientist and engineer.-Life:...

. Ohm was the first to fully develop the theory of the exponential

Exponential function

In mathematics, the exponential function is the function ex, where e is the number such that the function ex is its own derivative. The exponential function is used to model a relationship in which a constant change in the independent variable gives the same proportional change In mathematics,...

 a^b when both a and b are complex number

Complex number

A complex number is a number consisting of a real part and an imaginary part. Complex numbers extend the idea of the one-dimensional number line to the two-dimensional complex plane by using the number line for the real part and adding a vertical axis to plot the imaginary part...

s in 1823. He is also often credited with introducing the name "golden section" (goldener Schnitt).

Students

Ohm's students included Friedrich August, Friedrich Bachmann, Paul Bachmann

Paul Bachmann

Paul Gustav Heinrich Bachmann was a German mathematician.Bachmann studied mathematics at the University of his native city of Berlin andreceived his doctorate in 1862 for his thesis on group theory...

, Joseph Brutkowski, Heinrich Eduard Heine

Eduard Heine

Heinrich Eduard Heine was a German mathematician.Heine became known for results on special functions and in real analysis. In particular, he authored an important treatise on spherical harmonics and Legendre functions . He also investigated basic hypergeometric series...

, Rudolf Lipschitz

Rudolf Lipschitz

Rudolf Otto Sigismund Lipschitz was a German mathematician and professor at the University of Bonn from 1864. Peter Gustav Dirichlet was his teacher. He supervised the early work of Felix Klein....

, Leo Pochhammer, Friedrich Prym, Wilhelm Wagner, Hermann Waldaestel, Wilhelm Wernicke, Elena Gerz, Valentien Gerz, and Johanna Gerz.