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thumb|right|alt=1621 in science and technology involved some significant events.

The year 1621 in science and technology involved some significant events.

Astronomy

  • Johann Schreck (1576–1630), also known as Johannes Schreck, Terrenz or Terrentius, introduces the telescope to China.

Botany

  • The University of Oxford Botanic Garden, the oldest botanical garden in Great Britain, is founded as a physic garden by Henry Danvers, 1st Earl of Danby.

Medicine

  • Robert Burton publishes his treatise The Anatomy of Melancholy.

Physics

  • Willebrord Snellius formulates Snell's law on refraction.

Technology

  • A simple microscope is developed.
  • Cornelius Vermuyden begins reclamation of Canvey Island in England.

Births

  • January 27 – Thomas Willis, English physician who contributes to knowledge of the nervous and cardiovascular systems (died 1675)

Deaths

  • July 2 – Thomas Harriot, English ethnographer, astronomer and mathematician (born c. 1560)
  • September 1 – Bahāʾ al-dīn al-ʿĀmilī, Arab philosopher and astronomer (born 1547)
  • Jan Jesenius, Slovak physician (born 1566)

References