Evangelista Torricelli was an Italian physicist and mathematician born on October 15, 1608, in Faenza, Italy.  ๐
He is best known for his amazing discoveries in science, especially about air and liquids! Torricelli was a curious thinker, and he learned a lot from his famous teacher, 
Galileo Galilei.  ๐
His work helped us understand how things like air pressure and vacuum work. He passed away on October 25, 1647, but his ideas are still important today!  ๐