John Skilling
John Skilling ( October 8 , 1921 in Los Angeles , California – March 5 , 1998 in Seattle , Washington ) was a civil engineer and architect , best known for being the chief structural engineer of the World Trade Center . 
<triplet> John Skilling <subj> October 8, 1921 <obj> date of birth <subj> March 5, 1998 <obj> date of death <subj> civil engineer <obj> occupation