Parameshvara
1380 CE–1460 CE · Alathur
Vatasseri Parameshvara Nambudiri (c. 1380–1460) was a major Indian mathematician and astronomer of the Kerala school of astronomy and mathematics founded by Madhava of Sangamagrama. He was also an astrologer. Parameshvara was a proponent of observational astronomy in medieval India and he himself had made a series of eclipse observations to verify the accuracy of the computational methods then in use. Based on his eclipse observations, Parameshvara proposed several corrections to the astronomical parameters which had been in use since the times of Aryabhata. The computational scheme based on the revised set of parameters has come to be known as the Drgganita or Drig system. Parameshvara was also a prolific writer on matters relating to astronomy. At least 25 manuscripts have been identified as being authored by Parameshvara.
Adapted from Wikipedia, licensed under CC BY-SA 4.0.
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- Sejong the Great· 1397 CE–1450 CE
- Murad II· 1404 CE–1451 CE
- Constantine XI Palaiologos· 1405 CE–1453 CE
- Lê Lợi (Lê Thái Tổ)· 1385 CE–1433 CE
- Moctezuma I (Ilhuicamina)· 1398 CE–1469 CE
- Zara Yaqob· 1399 CE–1468 CE
- Itzcoatl· –1440 CE
- Pachacuti Inca Yupanqui· –1471 CE
- Mehmed I· 1386 CE–1421 CE
- Nezahualcoyotl· 1402 CE–1472 CE
- Barsbay· –1438 CE
- Mubarak Shah· –1434 CE
- Sejo of Joseon· 1417 CE–1468 CE
- Taejong of Joseon· 1367 CE–1422 CE
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