1636 in science
# 1636 in science

The year 1636 in science and technology involved some significant events.

## Mathematics

* Pierre de Fermat begins to circulate his work in analytic geometry in manuscript.
* Muhammad Baqir Yazdi and René Descartes independently discover the pair of amicable numbers 9,363,584 and 9,437,056.

## Physics

* Marin Mersenne publishes his Traité de l'harmonie universelle, containing Mersenne's laws describing the frequency of oscillation of a stretched string.

## Publications

* Daniel Schwenter publishes Delicia Physic-Mathematicae, including a description of a quill pen with an ink reservoir.

## Births

* Father Jacques Marquette, French explorer (died 1675)
* December 26 – Justine Siegemund, German midwife (died 1705)

## Deaths

* February 22 – Sanctorius, Italian physiologist (born 1561)
* Louise Bourgeois Boursier, French Royal midwife (born 1563)
* Michal Sedziwój, Polish alchemist (born 1566)
