Ronald A. Clark passed away at St. Patrick’s Residence in Naperville, IL May 11, 2018. Clark was a senior UV formulation chemist at Sun Chemical, where he worked from 1975-2002.   Clark was raised in an orphanage run by St. Procopius Abbey (now Benet High School in Lisle, IL). After returning from the US Army in 1966, he completed his college degree in chemistry and later began working for General Printing Inks, where he remained until his retirement.   “Ron was among the first in our indust...