Bartholin, Erasmus

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.