Complex sentence: Jérôme Louis Heldring (21 December 1917--27 April 2013) was from 1968-1972 editor in chief of the "Nieuwe Rotterdamsche Courant" (NRC), one of the forerunners of "NRC Handelsblad", a Dutch daily newspaper.
Split into simpler sentences: Jérôme Louis Heldring (21 December 1917--27 April 2013). From 1968-1972 he was editor in chief of the "Nieuwe Rotterdamsche Courant" (NRC), one of the forerunners of "NRC Handelsblad", a Dutch daily newspaper.