1693 in science

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The year 1693 in science and technology involved some significant events.

Actuarial science

Publication of Charles Plumier's first work, Description des plantes de l'Amérique, in Paris, principally devoted to ferns.

Bernard Frénicle de Bessy's Des quarrez ou tables magiques, a treatise on magic squares, is published posthumously, describing all 880 essentially different normal magic squares of order 4.

Flemish anatomist Philip Verheyen, in his widely used text Corporis Humani Anatomia, is the first to record the name of the Achilles tendon.^[1]

February 18 – Elias Tillandz, Swedish physician and botanist in Finland (born 1640)
October 4 – Sir Thomas Clayton, English physician, academic and politician (born c.1612)
December 22 – Elisabeth Hevelius, Danzig astronomer (born 1647)^[2]