Dr. Ben-chieh Liu, 75, passed June 13, 2014. Devoted and dedicated husband of 50 years to Jill; loving father of Tina (David), Roger (Mijin), and Milton Liu; cherished grandfather of Barrett Liu Atchison, Ella Hope and Evelyn Faith Liu; fond uncle and friend to many; distinguished mentor, educator and colleague. He was proud of his accomplished career as an economist at Chicago State University, Argonne National Lab and Midwest Research Institute. Known to many in coining the phrase “Quality of Life” in his numerous noted publications and studies. Visitation at Blake-Lamb Funeral Home, 5015 Lincoln Avenue, (On Rt. 53, ½ mile south of Ogden Ave.)Lisle, on Thursday, June 19 from 5-8pm where a funeral service will take place on Friday at 11am. Interment private. To leave a memorial message visit www.Blake-LambFuneralHome.com. For info call (630) 964-9392.