births
December 22, 1765
Johann Friedrich Pfaff, German mathematician and academic (died 1825)

Johann Friedrich Pfaff
Johann Friedrich Pfaff was a German mathematician. He was described as one of Germany's most eminent mathematicians during the 19th century. He was a precursor of the German school of mathematical thinking, under which Carl Friedrich Gauss and his followers largely determined the lines on which mathematics developed during the 19th century.