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German astronomer Heinrich Wilhelm Matthias Olbers discovered Vesta, the brightest asteroid and second-most massive body in the asteroid belt.

Historical image related to German astronomer Heinrich Wilhelm Matthias Olbers discovered Vesta, the brightest asteroid and second-most massive body in the asteroid belt. from March 29, 1807

Heinrich Wilhelm Matthias Olbers

German astronomer (1758–1840)

Heinrich Wilhelm Matthias Olbers was a German astronomer. He found a convenient method of calculating the orbit of comets, and in 1802 and 1807, discovered the second and the fourth asteroids Pallas and Vesta.
Source: Wikipedia (CC BY-SA)

4 Vesta

Second-largest asteroid of the main asteroid belt

Vesta is one of the largest objects in the asteroid belt, with a mean diameter of 525 kilometres (326 mi). It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 and is named after Vesta, the virgin goddess of home and hearth from Roman…
Source: Wikipedia (CC BY-SA)

Asteroid belt

Region between the orbits of Mars and Jupiter

The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies called asteroids or minor planets. The identified…
Source: Wikipedia (CC BY-SA)