G. H. Hardy
Godfrey Harold Hardy FRS was an English mathematician, known for his achievements in number theory and mathematical analysis. *--Wikipedia*
Works (11)

A Course of Pure Mathematics
1941

A mathematician's apology
April 2000

An introduction to the theory of numbers
1938

Divergent series
1949

Ramanujan
1940

Bertrand Russell and Trinity
1942

Collected Papers of G.H. Hardy
1966

The integration of functions of a single variable
1916

Inequalities
1934

The general theory of Dirichlet's series
1915

Hardy, 1877-1947