Category
page 1Scientific instrument makers
Hipparchus
Hipparchus (; , ; BC) was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry, but is most famous for his incidental discovery of the precession of the equinoxes. Hipparchus was born in Nicaea, Bithynia, and probably died on the island of Rhodes, Greece. He is known to have been a working astronomer between 162 and 127 BC.
Ulugh Beg
Timurid sultan, astronomer and mathematician (1394–1449)

Johannes Hevelius
astronomer setting up the cartography of the Moon

Horace Bénédict de Saussure
Genevan scientist (1740-1799)

Abū Ishāq Ibrāhīm al-Zarqālī
Abū Isḥāq Ibrāhīm ibn Yaḥyā al-Naqqāsh al-Zarqālī al-Tujibi (); also known as Al-Zarkali or Ibn Zarqala (1029–1100), was an Arab maker of astronomical instruments and an astrologer from the western part of the Islamic world.

Al-ʻIjliyyah
Al-ʻIjliyyah bint al-ʻIjliyy () was a 10th-century maker of astrolabes active in Aleppo, in what is now northern Syria.

Ivan Puliui
Ukrainian physicist (1845–1918)

Pedro Nunes
Portuguese mathematician (1502–1578)
Taqi al-Din Muhammad ibn Ma'ruf
Ottoman Syrian polymath (1526-1585)
Abu-Mahmud Khojandi
10th-century Persian astronomer and mathematician
Pierre Vernier
French mathematician
Simon Plössl
Austrian optician (1794–1868)
F. J. Duarte
Chilean-American physicist
Pierre-Louis Guinand
Swiss lens maker (1748-1824)