Venus has been known since prehistoric times, as it's one of the brightest objects in the sky after the Sun and Moon. So, it wasn't "discovered" by a single person.

However, early civilizations like the Babylonians, Greeks, and Egyptians all studied and tracked Venus, giving it different names and associating it with their gods.

While no one "discovered" Venus, early astronomers like Galileo Galilei made significant observations of Venus in the 17th century, using his telescope to see its phases, which helped prove that it orbits the Sun.