Firmicus Maternus (4th century CE)
Jan 11, 2023
Astrology & Astronomy
Firmicus Maternus was a fourth-century Roman astrologer and astronomer who wrote a number of astrological treatises. His most famous work is the
Claudius Ptolemy (c. 90–168 AD)
Jan 4, 2023
Astrology & Astronomy
was a Greco-Roman scientist, geographer, and astronomer. He is best known for his work on the geography of the
Johannes de Sacro Bosco (ca 1195-ca 1256)
Dec 18, 2022
Astronomy
Johannes de Sacro Bosco was a scholar, mathematician and astronomer. He wrote the influential treatise Liber de spatio temporis (On the Measurement
Gemma Frisius (1508-1555)
Dec 18, 2022
Astronomy
Gemma Frisius was a Renaissance scholar, physician, mathematician, cartographer and astronomer. He is best remembered for his groundbreaking work in