1617 in science

none 1617 science 1617 The year 1617 in science and technology involved some significant events. Astronomy Johannes Kepler begins to publish his Epitome astronomiæ Copernicanæ setting out his theory of elliptic orbits. Mathematics Napier's Bones, a multiplication device invented by John Napier (who dies on April 4), is described in his Rabdologiæ, published in Edinburgh. Henry Briggs publishes Logarithmorum Chilias Prima, a modification of Napier's logarithms into common logarithms.Henry Briggs http://www.britannica.com/EBchecked/topic/79504/Henry-Briggs Encyclopædia Britannica 2014-09-25 Medicine The Worshipful Society of Apothecaries of London is granted a royal charter, separating it from the Grocers. Births July 13 (bapt.) – Ralph Cudworth, Cambridge Platonist (died 1688). Deaths January 29 – William Butler, Irish alchemist (at sea) (born c. 1534). February 6 – Prospero Alpini, Italian physician and botanist (born 1553). February 11 – Giovanni Antonio Magini, Italian astronomer (born 1555). April 4 – John Napier of Merchiston, mathematician (born 1550). May 7 – David Fabricius, Frisian astronomer (born 1564). December – William Butler, English physician (born 1535). References Category:1617 Category:17th century in science Category:1610s in science