Tusi couple
- Date
- 1247
- Inventor or discoverer
- Nasir al-Din al-Tusi
- Type
- mathematical instrument
Inventions and discoveries
Who found what, and when
Inventions and discoveries with the people credited for them — by century, by year, by field and by kind.
The oldest entries
Cistercian numerals
- Date
- 1300
- Inventor or discoverer
- Cistercians
- Type
- positional numeral system
Si yuan shu
- Date
- 1303
- Inventor or discoverer
- Zhu Shijie
- Type
- system of equations
Santiago
- Date
- 1460
- Inventor or discoverer
- António de Noli
- Type
- island
Semicolon
- Date
- 1494
- Inventor or discoverer
- Aldus Manutius
- Type
- Unicode character
Knitting machine
- Date
- 1589
- Inventor or discoverer
- William Lee
- Type
- mechanical device
Chamaeleon
- Date
- 1597
- Inventor or discoverer
- Petrus Plancius
- Type
- constellation
Grus
- Date
- 1597
- Inventor or discoverer
- Petrus Plancius
- Type
- constellation
Hydrus
- Date
- 1597
- Inventor or discoverer
- Petrus Plancius
- Type
- constellation
Inventors
| Inventor | Citizenship | Born | Occupation |
|---|---|---|---|
| Aage Bertelsen | Kingdom of Denmark | September 28, 1873 | painter |
| Abd al-Rahman al-Sufi | Buyid dynasty | December 12, 903 | astronomer |
| Adolph Göpel | Germany | September 29, 1812 | Realschullehrer |
| Aikitsu Tanakadate | Japan | October 16, 1856 | geophysicist |
| Alan Gilmore | New Zealand | March 1944 | astronomer |
| Alan Harvey Mekler | — | 1947 | university teacher |
| Albert Henry Munsell | United States | January 6, 1858 | painter |
| Albert Hofmann | Switzerland | January 11, 1906 | non-fiction writer |
| Albert Rose | United States | March 30, 1910 | physicist |
| Albert Streckeisen | Switzerland | November 8, 1901 | mineralogist |