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 In the year 1650 john Adriaensz, hydraulic engineer (Haarlemmermeer), dies at about 74 


Feb 11 In the year 1650 death of rene Descartes, philosopher "I think therefore I am", stops thinking 


Mar 29 On this day in history cornelis Galle I, Flemish engraver, dies at about 73 


Apr 18 Simonds d'Ewes, English antiquarian (b. 1602) died on this day in history. 


May 20 Francesco Sacrati, composer, dies at 44 on this day in history. 


May 21 In the year 1650 death of james G, Marquis of Montrose, Scottish general, hanged 

