1644 in science
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The year 1644 AD in science and technology involved some significant events.
[edit] Mathematics
- The Basel problem is posed by Pietro Mengoli, and will puzzle mathematicians until solved by Leonhard Euler in 1731.
[edit] Births
- 25 September - Ole Rømer, Danish astronomer who makes the first quantitative measurements of the speed of light (d. 1710)
[edit] Deaths
- 2 July - William Gascoigne, English scientist (b. 1610)
- 30 December - Jan Baptist van Helmont, Flemish chemist (b. 1579)
