"Pen" who invented Ball Pen?

We all are writer here, of course we are typing here. But pen is the weapon of a writer. If we don't know yet who is the inventor of Pen so what kind of writers we are??

So we must know about the history of pen and the man who makes pen for us.

Inventor or pen:

László Bíró is the inventor of ball pen in 1938. (According to Google)

History of Pen:

When writers face leakage issue from fountain pen then László Bíró Invent ballpen.

I don't want to write more about this because it's already written in internet. I just want to inform some specific viewers for genral knowledge 😊

Some information taken from : Internet

Written by : @TheSiam01