, privy- counsellor of the landgrave of Hesse, and professor of mathematics
, privy- counsellor of the landgrave
of Hesse, and professor of mathematics and philosophy at
Giessen, was born at Darmstadt, Nov. 17, 1720, and died
July 6, 1790. As a philosopher, he adhered to the principles of Wolf, who had been his master, but in mathematics he followed and added to the improvement of the
age, by many useful and experimental treatises. His
“Magazine for engineers and artillery-men,
” Logica, ordine scientifico in usum.
auditorum conscripta,
” Francfort, Metaphysica,
” Giessen, Francfort Encyclopaedia
” and, along with F. K. Schleicher,
wrote the “New Military Library,
” Marbourg,