1625 – Rasmus Bartholin is a Danish physicist and physician was born 13th of August.
1642-47 – He entered the University of Copenhagen and receiving his B.A.(1644) and finished M.A.(1647).
1645 – Studied mathematics at the University of Leiden.
1651 – Bartholin studied at a number of places including Padua from where he received a medical degree.
1656 – Professor at Copenhagen University, first in Geometry, later in Medicine.
1657 – He wrote The study of the Danish language.
1660 – Authored the The shape of snow.
1963-1972 – He authored The pores of bodies (1663); On Cartesian physics (1664); On nature (1666); On judgement and memory (1667); On experiment (1668); On physical hypotheses (1669); On the shape of bodies (1671); and Secrets of the sciences (1673).
1664-1674 – Produced a book Dissertatio de problematibus geometricis.
1664-1665 – Made astronomical observations.
1665 – He published his descriptions of these events in De cometis anni 1664 et 1665 opusculum.
1667 – Bartholin was appointed Royal Mathematician.
1669 – Discovered the double refraction of a light ray by Iceland spar (calcite).
1671 – Bartholin was appointed to an ordinary chair of medicine at Copenhagen
1698 – Rasmus Bartholin died on the 4th of November.
Bartholin is also famed for his medical work, in particular his introduction of quinine in the fight against malaria.