Gotthilf Hagen

Gotthilf Hagen
Born
Gotthilf Heinrich Ludwig Hagen

(1797-03-03)3 March 1797
Died3 February 1884(1884-02-03) (aged 86)
Known forHagen number
Hagen–Poiseuille equation

Gotthilf Heinrich Ludwig Hagen (3 March 1797 – 3 February 1884) was a German civil engineer who made important contributions to fluid dynamics, hydraulic engineering and probability theory.