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1644 in science
The year
1644 AD
in
science
and
technology
involved
some significant
events
.
Mathematics
The
Basel problem
is posed by
Pietro Mengoli
, and will
puzzle
mathematicians until solved by
Leonhard Euler
in
1735
.
Publications
Jan Baptist van Helmont
publishes
Dageraad ofte Nieuwe Opkomst der Geneeskunst
.
Births
25 September
–
Ole Rømer
,
Danish
astronomer
who makes the first quantitative
measurements
of
the speed of light
Deaths
2 July
–
William Gascoigne
,
English
scientist
30 December
–
Jan
Baptist
van
Helmont,
Flemish
chemist