**Dec 9**Adrian A Metius, Dutch mathematician/fort architect

### Person of **Interest**

Dec 27 Johannes Kepler, Weil der Stadt, Germany, astronomer (planetary Motion), (d. 1630)

**Dec 9**Adrian A Metius, Dutch mathematician/fort architect

Dec 27 Johannes Kepler, Weil der Stadt, Germany, astronomer (planetary Motion), (d. 1630)