Rolf Herman Nevanlinna (October 22, 1895 - May 28, 1980) is perhaps the most famous Finnishmathematician. He is particuarly appreciated for his work in theory of functions (i.e., complex analysis). Apart from mathematics, Nevanlinna took great interest in culture and politics. His opinions in politics were sometimes somewhat controversial, but his talents as an amateur musician were widely appreciated.
... a legitimate basis of authority.
The first to have the title of "Tyrant" was Pisistratus in 560 BC.
In modern times Tyrant has come to mean a dictator who rules ...