Hermann Sprengel
German chemist
>
Hermann Sprengel FRS was a German-British chemist who discovered the explosive nature of picric acid in 1873, patented safety explosives and invented the mercurial air pump. Wikipedia
Born: August 29, 1834, Schillerslage, Burgdorf, Germany
Died: January 14, 1906 (age 71 years), London, United Kingdom
Education: Heidelberg University