R. Paul Butler

Robert Paul Butler ( born 1960 in San Diego, California) is an astronomer who is concerned with the search for exoplanets. He is the co-discoverer of more than half of the exoplanets found until 2006.

Paul Butler was born the son of Donal A. Butler and Karen I. Butler. Butler received a Bachelor of Arts in Physics ( 1985) and chemistry ( 1986) and 1989, the Master of Science in Physics from San Francisco State University, with a master's thesis on Geoffrey Marcy. He completed his doctoral studies in 1993 at the University of Maryland, College Park. The main objective of his studies was to design a highly sensitive spectrograph to the discovery of exoplanets via the detection of radial velocity variations of their mother star. 1993 to 1997 he was a scientist at San Francisco State University and Visiting Fellow at the University of California, Berkeley. From 1997 to 1999 he was an astronomer at the Anglo - Australian Observatory. Since 1999 he is a researcher at the Carnegie Institution of Washington.

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