Dirk Willem van Krevelen
Dirk Willem van Krevelen ( 8 November 1914 , Rotterdam – 27 October 2001 , Arnhem ) was a prominent Dutch chemical engineer , coal and polymer scientist . 
<triplet> Dirk Willem van Krevelen <subj> 8 November 1914 <obj> date of birth <subj> Rotterdam <obj> place of birth <subj> 27 October 2001 <obj> date of death <subj> Arnhem <obj> place of death <triplet> Rotterdam <subj> Dutch <obj> country <triplet> Arnhem <subj> Dutch <obj> country