Michel Mayor

Michel Gustave Édouard Mayor (born 12 January 1942) is a Swiss astrophysicist. He was professor emeritus at the University of Geneva's Department of Astronomy. He retired in 2007, but works as a researcher at the Observatory of Geneva. He is co-winner of the 2019 Nobel Prize in Physics, the 2010 Viktor Ambartsumian International Prize, and the winner of the 2015 Kyoto Prize.
Together with Didier Queloz in 1995 he discovered 51 Pegasi b, the first extrasolar planet orbiting a sun-like star, 51 Pegasi. Because of this, Mayor and Queloz won the 2019 Nobel Prize in Physics "for the discovery of an exoplanet orbiting a solar-type star".