- male, deceased (1543)
- Nicolaus Copernicus (February 19, 1473 - May 24, 1543) was a European astronomer who formulated the first explicitly heliocentric model of the...
- male
- Heraclides Ponticus (387 BC-312 BC), also known as Herakleides, was a Greek philosopher who lived and died at Heraclea Pontica, now Karadeniz...
- male, deceased (1553)
- Erasmus Reinhold (October 22, 1511 - February 19, 1553) was a German astronomer and mathematician. He was born and died in Saalfeld, Thuringia,...
- male, deceased (1123)
- Ghiyās al-Dīn Abu al-Fath Omār ibn Ibrāhīm Khayyām Nishābūrī or Omar Khayyam (b. May 18, 1048 Nishapur, (Persia) - d. December 4, 1131), was a Per...
- male, deceased (1621)
- Cosimo Boscaglia (c. 1550 - 1621) was a professor of philosophy at the University of Pisa in Italy. He is the first person known to have accused...
- male
- Saint Dungal, born in Ireland and died after 827, was an Irish monk, who served Charlemagne as an astronomer. In a letter, directed to Charlemagne,...
- male, deceased (1671)
- Giovanni Battista Riccioli (b.April 17 1598, Ferrara, Italy - d. June 25 1671, Bologna, Italy) was an Italian astronomer. He was a Jesuit who...
- male, deceased (1624)
- Giulio Cesare la Galla was a professor of philosophy at the Collegio Romano in Italy. (His name is also given as Julius Cæsar Lagalla or Giulio C...
- male
- Seleucus (or Seleukos) of Seleucia (born "c." 190 BC, "fl" 150s) was a Hellenistic astronomer. Seleucus is known from the writings of Plutarch. He...
- male, 67 years old
- Robert Hand (born December 5th, 1942 in Plainfield, New Jersey) is a prominent American practicing astrologer, author, translator, and lecturer. He...
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