“Give me a lever long enough, and a place to stand and I will move the entire earth.”
Archimedes (C. 287 – 212 B.C.), ancient Greek mathematician, physicist, engineer, astronomer, and philosopher

Archimedes is creditied to have discovered the principles of density and buoyancy, also known as Archimedes’ principle, while taking a bath. The story goes that he then took to the streets naked, being so elated with his discovery that he forgot to dress, crying “Eureka!” (”I have found it!”).