Denza, Francesco (1834-1894)


Francesco Denza was an Italian meteorologist and astronomer. At the time of his death, he was President of the Accademia dei Nuovi Lincei (Academy of the Lynx-Eyed).

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Flammarion, Camille (1842-1925)


Nicolas Camille Flammarion was a French astronomer and author.  He was a founder and the first president of the Société astronomique de France. He also published the magazine L'Astronomie, starting in 1882. He maintained a private observatory at Juvisy-sur-Orge, France.

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Gothard Jenő (1857-1909)


Jeno Gothard was a wealthy Hungarian nobleman who established a private observatory in Herény. He was also a mechanical engineer and astronomer.

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Gyldén, Hugo (1841-1896)


Johan August Hugo Gyldén was a Finland-Swedish astronomer primarily known for work in celestial mechanics.

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Konkoly Thege Miklós (1842-1916)


Miklós Konkoly Thege was a wealthy Hungarian nobleman who established a private observatory at Ógyalla. He was not simply a rich landowner but an educated scientist as well.

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Laskowski, Zygmunt (1841-1928)


Zygmunt Laskowski a Polish medical doctor, professor of anatomy of University on Geneva, amateur astronomer, issued a commemorative medal on his own discovery of a supernova.

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Oom, Frederico Augusto (1830-1890)


Frederico Augusto Oom was originally a hydrographic engineer and the lieutenant of the Portuguese Navy. Later he was trained by Otto Struve on astronomy and became the first director of the Astronomical Observatory of Lisbon.

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Secchi, Angelo (1818-1878)

Angelo Secchi

Father Pietro Angelo Secchi was an Italian astronomer, director of the Observatory at the Pontifical Gregorian University (then called the Roman College) for 28 years. He was a pioneer in astronomical spectroscopy, and was one of the first scientists to state authoritatively that the Sun is a star.

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