Angelo Secchi
a pioneer in astronomical spectroscopy, and was one of the first scientists to state authoritatively that the Sun is a star

For much more information, also see

From: Wikipedia
Born
28 June 1818 Reggio Emilia, Duchy of Modena and Reggio
From: Wikipedia
Died
26 February 1878 (aged 59) Rome, Kingdom of Italy
From: Wikipedia
Nationality
Italian
From: Wikipedia
Fields
Astronomy
From: Wikipedia
Awards
Légion d'honneur, France
From: Wikipedia
Institutions
Observatory of the Roman College
From: Open Science FrameworkOSF
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Italy
From: Wikipedia
Church
Latin Church
From: Wikipedia
Denomination
Catholicism
From: Open Science FrameworkOSF
era
1800+
From: Wikipedia
Ordination
12 September 1847
From: Wikipedia
Rank
Priest