Aleksander Wolszczan

Aleksander Wolszczan [alɛkˈsandɛr ˈvɔlʂt͡ʂan] (born 29 April 1946) is a Polish astronomer. He is the co-discoverer of the first confirmed extrasolar planets and pulsar planets. He is a graduate of the Nicolaus Copernicus University in Toruń and works as a professor at the Pennsylvania State University. Wolszczan is a fellow of the Polish Academy of Sciences, the American Astronomical Society and the International Astronomical Union. He is also the recipient of numerous awards for his groundbrea