1644 in science

Mathematics

Publications

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

Births

Deaths

References

  1. Sandifer, C. Edward (2007). How Euler Did It. MAA. p. 205. ISBN 9780883855638.
  2. "Ole Rømer - Danish astronomer". Encyclopedia Britannica. Retrieved 3 April 2018.
  3. Vaquero, J. M.; Vázquez, M. (2009). The Sun Recorded Through History. Springer Science & Business Media. p. 236. ISBN 9780387927909.
  4. "Jan Baptista van Helmont - Belgian scientist". Encyclopedia Britannica. Retrieved 3 April 2018.
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