1644 in science explained

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.^[1]

Technology

• Jacob van Eyck collaborates with the bellfounding duo Pieter and François Hemony to create the first tuned carillon in Zutphen.^[2]

Publications

• Jan Baptist van Helmont publishes Dageraad ofte Nieuwe Opkomst der Geneeskunst ("Daybreak, or the New Rise of Medicine").

Births

• 25 September – Ole Rømer, Danish astronomer who makes the first quantitative measurements of the speed of light (died 1710)^[3]

Deaths

• 2 July – William Gascoigne, English scientist (born 1610)^[4]
• 30 December – Jan Baptist van Helmont, Flemish chemist (born 1580)^[5]

Notes and References

1. Book: Sandifer. C. Edward. How Euler Did It. 2007. MAA. 9780883855638. 205. en.
2. Book: Lehr, André. The Art of the Carillon in the Low Countries. Tielt, Belgium. Lannoo. 1991. 90-209-1917-2.
3. Web site: Ole Rømer - Danish astronomer. Encyclopedia Britannica. 3 April 2018. en.
4. Book: Vaquero. J. M.. Vázquez. M.. The Sun Recorded Through History. 2009. Springer Science & Business Media. 9780387927909. 236. en.
5. Web site: Jan Baptista van Helmont - Belgian scientist. Encyclopedia Britannica. 3 April 2018. en.