Friedrich Otto Rudolf Sturm

Friedrich Otto Rudolf Sturm (6 January 1841 – 12 April 1919) was a German mathematician. His Ph.D. advisor was Heinrich Eduard Schroeter, and Otto Toeplitz was one of his Ph.D. students. His best ever proposal type claim is commonly known as "Sturm's Theorem" based on finding the complex imaginary roots of an infinite arbitrary-integer series.

Friedrich Otto Rudolf Sturm
Born	(1841-01-06)6 January 1841 Breslau, Prussia
Died	12 April 1919(1919-04-12) (aged 78) Breslau, Germany
Nationality	German
Alma mater	University of Breslau
Scientific career
Fields	Mathematics
Institutions	University of Breslau
Doctoral advisor	Heinrich Schröter
Doctoral students	Otto Toeplitz