Patrick Thaddeus

Patrick Thaddeus
Nationality	American
Fields	Astronomy
Institutions	Harvard University Columbia University Goddard Institute for Space Studies
Alma mater	Columbia University University of Oxford University of Delaware
Doctoral advisor	Charles Hard Townes
Doctoral students	Tom Dame
Known for	CfA 1.2 m Millimeter-Wave Telescope
Notable awards	Herschel Medal (2001) Fulbright Fellowship (1953–1955)

Patrick Thaddeus (June 6, 1932 – April 28, 2017) was the Robert Wheeler Willson Professor of Applied Astronomy Emeritus at Harvard University. He is best known for mapping the Milky Way galaxy in Carbon Monoxide and was responsible for the construction of the CfA 1.2 m Millimeter-Wave Telescope.

Thaddeus graduated from University of Delaware in 1953 with a Bachelor of Science degree. He was awarded a Fulbright Fellowship through which he attended the University of Oxford, graduating with a Master's degree in theoretical physics in 1955. His doctoral work was at Columbia University, where he earned his Ph.D. under Charles Hard Townes in 1960 with a thesis titled Beam Maser Spectroscopy.

After earning his doctorate, Thaddeus stayed at Columbia University as a research associate in the Columbia Radiation Laboratory until 1961, when he took a position working for NASA at the Goddard Institute for Space Studies, where he remained until 1986. He also taught at Columbia University during that period, from 1965 until 1986. It was during his time at Columbia that the CfA 1.2 m Millimeter-Wave Telescope was built. In 1986, Thaddeus (along with the 1.2 meter telescope and other scientists on the team) moved to Harvard, where he remained for the rest of his teaching career and remained Professor Emeritus until his death in April 2017.

Thaddeus held a few other teaching positions during his career at institutions including State University of New York, Stony Brook (1966–1967), University of California, Berkeley (1968), and University of Cambridge (1983–1984).

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