Joan Chalker

Wilmington, Del. - Joan King Chalker, 83, passed away on Thursday, Jan. 31, 2013.

Joan was born in Wilmington, Del., on Feb. 6, 1929. Joan attended Haverford High School, and then Penn State University, where she earned a degree in business. She went on to work with Frank Piasecki at Piasecki Helicopter during the development of the HRP-1 "Flying Banana", and in later years at the University of Delaware.

She spent summers with her children in Ocean City, N.J., moving there full time after retirement.

She is survived by her son, William R Chalker Jr. and his wife, Dr. Sharon Weil-Chalker, of Wallingford, Pa.; and, grandsons, William III and Ethan Chalker.

She was preceded in death by her husband, William R. Chalker, parents, Lawton and Eunice King, and her son, Scott K. Chalker, Esq.

Burial with a short graveside service was held on Feb. 6, 2013, at Silverbrook Cemetery, 3300 Lancaster Ave., Wilmington, DE 19805.

In lieu of flowers, please send any contributions to the Foundation for Angelman Syndrome Therapeutics (FAST) at

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Published in The Day on Feb. 7, 2013