I am not sure whether he really was. But the idea is that he is supposed to be the first, or one of the first, to actually do experiments.
Galileo Galilei
he was not the first scientist.
Galileo
The famous scientist whom we usually refer to as Galileo was named, in full, Galileo Galilei. His first name actually was Galileo.
galileo
Galileo was the first
Galileo
Galileo Galilei.
Galileo.
Galileo
Galileo Galilei
Galileo