Johann Friedrich Pfaff
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Pfaff, Johann Friedrich
Born Dec. 22, 1765, in Stuttgart; died Apr. 21, 1828, in Halle. German mathematician. Member of the Berlin Academy of Sciences (1817).
Pfaff was a professor of mathematics at the universities of Helmstedt (1788–1810) and Halle (from 1810). He was the author of studies on differential equations.