Johann Samuel König was a mathematician remembered as a tutor to French natural philosopher that died due to childbirth in what year?
Johann Samuel König:  He is also remembered as a tutor to Émilie du Châtelet, one of the few female physicists of the 18th century. Émilie du Châtelet: Gabrielle Émilie Le Tonnelier de Breteuil, Marquise Du Châtelet (] ; 17 December 1706  – 10 September 1749) was a French natural philosopher, mathematician, physicist, and author during the early 1730s until her untimely death due to childbirth in 1749.
1749