Ptolemy

Summary

Ptolemy is a human^[1]. He was born in Ptolemais Hermiou^[2]. He was born on 100^[3]. He passed away in Alexandria^[4]. He died on 170^[5]. He worked as a mathematician^[6], geographer^[7], astronomer^[8], astrologer^[9], and music theorist^[10]. He ranks in the top 0.56% of human entities by monthly Wikipedia readership (5,136 views/month, #5,598 of 1,000,298).^[11]

Key Facts

• Born in Ptolemais Hermiou^[2], Ptolemy…
• Ptolemy passed away in Alexandria^[4].
• Ptolemy died in Canopus^[12].
• Ptolemy was born on 100^[3].
• Ptolemy was born on January 1, 87^[13].
• Ptolemy was born on 85^[14].
• Ptolemy died on 170^[5].
• Ptolemy died on 165^[15].
• Ptolemy held citizenship in Ancient Rome^[16].
• Ptolemy worked as a mathematician^[6].
• Ptolemy worked as a geographer^[7].
• Ptolemy worked as an astronomer^[8].
• Ptolemy's professions included astrologer^[9].
• Ptolemy's professions included music theorist^[10].
• Ptolemy's professions included philosopher^[17].
• Ptolemy's field of work was astronomy^[18].
• Ptolemy's field of work was astrology^[19].
• Ptolemy's field of work was mathematics^[20].
• Ptolemy's field of work was mechanics^[21].
• Ptolemy's field of work was optics^[22].
• Ptolemy's field of work was geography^[23].
• Ptolemy was employed by Library of Alexandria^[24].
• A notable work attributed to Ptolemy is Almagest^[25].
• A notable work attributed to Ptolemy is Geography^[26].
• A notable work attributed to Ptolemy is List of Roman emperors^[27].

Body

Origins and Family

Born in Ptolemais Hermiou^[2], Ptolemy… Recorded date of birth include 100^[3], January 1, 87^[13], and 85^[14].

Career and Affiliations

Recorded occupations include mathematician^[6], geographer^[7], astronomer^[8], astrologer^[9], music theorist^[10], and philosopher^[17]. Fields of work include astronomy^[18], a branch of science^[28]; astrology^[19], a superstition^[29]; mathematics^[20], an academic discipline^[30]; mechanics^[21], a branch of physics^[31]; optics^[22], a branch of physics^[32]; and geography^[23], an academic discipline^[33]. Ptolemy was employed by Library of Alexandria^[24].

Works and Contributions

Notable works include Almagest^[25], a literary work^[34], founded in 0148^[35]; Geography^[26], a literary work^[36], founded in 0150^[37]; List of Roman emperors^[27]; Ptolemaic map^[38], a type of map^[39]; Ptolemy's intense diatonic scale^[40], a scale^[41]; and his table of chords^[42], a mathematical concept^[43]. Things named for him include his world map^[44], his theorem^[45], his inequality^[46], Ptolemaeus^[47], Lake Ptolemy^[48], 4001 Ptolemaeus^[49], Mount Ptolemy^[50], and Ptolémée Prize^[51].

Death and Burial

Recorded date of death include 170^[5] and 165^[15]. Recorded place of death include Alexandria^[4], a port city^[52], in Egypt^[53], founded in -0331^[54] and Canopus^[12], an archaeological site^[55], in Egypt^[56].

Why It Matters

Ptolemy ranks in the top 0.56% of human entities by monthly Wikipedia readership (5,136 views/month, #5,598 of 1,000,298).^[11] He has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[57] He is known by 114 alternative names across languages and contexts.^[58]

He has been cited as an influence by Christopher Columbus^[59], an explorer^[60], 1451–1506^[61], of Republic of Genoa^[62], specialised in sea shipping^[63]; Nicolaus Copernicus^[64], an astronomer^[65], 1473–1543^[66], of Kingdom of Poland^[67], awarded the International Space Hall of Fame^[68], specialised in astronomy^[69]; Hypatia^[70], a mathematician^[71], 0360–0415^[72], of Byzantine Empire^[73], specialised in astronomy^[74]; and Al-Battani^[75], a mathematician^[76], 0858–0930^[77], specialised in astronomy^[78].

He is credited with the discovery of Argo Navis^[79], a former constellation^[80]; equant^[81], a mathematical concept^[82]; and Messier 7^[83], an open cluster^[84]. Works attributed to him include Geography^[85], a literary work^[86], founded in 0150^[87]; Almagest^[88]; and Tetrabiblos^[89]. Entities named for him include his world map^[44], his theorem^[45], his inequality^[46], Ptolemaeus^[47], Lake Ptolemy^[48], and 4001 Ptolemaeus^[49].

FAQs

Where was Ptolemy born?

Ptolemy's place of birth was Ptolemais Hermiou^[2].

Where did Ptolemy die?

Ptolemy died in Alexandria^[4].

What did Ptolemy do for work?

Ptolemy worked as mathematician^[6], geographer^[7], astronomer^[8], astrologer^[9], and music theorist^[10].

Who did Ptolemy influence?

Ptolemy has been cited as an influence by Christopher Columbus^[59], Nicolaus Copernicus^[64], Hypatia^[70], and Al-Battani^[75].

What did Ptolemy discover?

Ptolemy is credited as discoverer of Argo Navis^[79], equant^[81], and Messier 7^[83].