0
Karl Weierstrass died on 1897-02-19.
no
Carl Weierstrass has written:
'Einfuhrung in die Theorie der analytischen Funktionen'
October ,1815
Yes, it is, as are all the following:
Completeness Axiom
Heine-Borel
Nested Set
Bolzano-Weierstrass
Monotone Convergence