Archimedes was a Greek mathematician, physicist, engineer, and inventor who lived in the 3rd century BC. He is best known for his famous exclamation of 'Eureka!' when he discovered the principle of buoyancy while taking a bath. He is also known for his invention of the Archimedes SCREW, a device used to transfer water from a low-lying body of water into irrigation canals. He is also credited with inventing the LEVER and using it to move large objects. He is also known for his work in mathematics, particularly geometry, and is often referred to as the 'Father of Mathematics'. He is also associated with an OWL, which is said to have been his favorite animal.