Jan 11 Paul Hallman, composer, dies at 49 on this day in history.
Feb 01 Rene Descartes, philosopher "I think therefore I am", stops thinking died in the year 1650.
Feb 08 John Adriaensz, hydraulic engineer (Haarlemmermeer), dies at about 74 on this day in history.
Feb 11 In the year 1650 death of rene Descartes, philosopher "I think therefore I am", stops thinking
Mar 29 Cornelis Galle I, Flemish engraver, dies at about 73 in the year 1650.
Apr 18 On this day in history death of simonds d'Ewes, English antiquarian (b. 1602)
May 20 Francesco Sacrati, composer, dies at 44 in the year 1650.
May 21 James G, Marquis of Montrose, Scottish general, hanged died on this day in history.