Mathematician:Friedrich Wilhelm Bessel

Prussian mathematician best known for making a systematic study of what is now known as Bessel's Equation.

Nationality
Prussian

History

 * Born: 22 July 1784, Minden, Westphalia (now Germany)
 * Died: 17 March 1846, Königsberg, Prussia (now Kaliningrad, Russia)

Theorems and Conjectures

 * Bessel's Equation
 * Bessel Functions
 * Bessel-Clifford Function (with William Kingdon Clifford)
 * Bessel Polynomials and Reverse Bessel Polynomials
 * Fourier-Bessel Series (with Joseph Fourier)