Warren and his wife April were good friends of Susan and I. He will be greatly missed.

Dr. Warren D. Grobman, who died on Wednesday July 9, 2008, had a distinguished career as an x-ray spectroscopist and a semiconductor physicist. He was born in Philadelphia, Pennsylvania in 1942, received his undergraduate degree from the University of Pennsylvania in 1964, and his PhD from Princeton University in 1967. He worked for many years at the IBM Thomas J. Watson Research Center in New York, notably as the founder of the x-ray lithography program, before relocating with his wife, April to Texas where he worked at SEMATECH and Motorola Semiconductor. He made many contributions, both as a research scientist and in product development and design, and was a fellow of both the American Physical Society and of IEEE. He also found time to pursue his love of admiring and creating art. He was thoroughly enjoying his retirement with his beloved wife, April, traveling, music, food and wine, computers, and time with the rest of their family, along with expanding his work as an artist. Warren had a rare combination of a keen intellect and an irreverent sense of humor and fun, coupled with a gift for caring, working with and teaching others. He was as likely to be taking a reflective walk with April, building a computer or a robot just for fun, admiring or creating art, studying physics lectors and following the progress of the Large Hadron Collider or sitting on the floor playing and giggling with his grandchildren. He leaves a legacy to his family and friends of love and caring for others and of love of knowledge, enjoyment of life, honesty, integrity and hard work. He was a wonderful husband, father; grandfather, brother, uncle and friend.

He is survived by his loving wife, April Schweighart; sons and daughters-in-law, Jeffrey and Norma Grobman and Steven and Ashlyn Grobman; grandchildren, Tyler and Lauren Grobman; sister and niece, Rita Grobman Howard and Rachel Howard; brother-in-law and sister-in-law, Charles and Cindy Schweighart and their daughters, Allison and Elizabeth Schweighart; and father-in-law, Ed Schweighart.