Jack Weaver Jack Weaver, a former director of AIChE's Technical Programs, including AIChE'S Center for Chemical Process Safety (CCPS), Center for Waste Reduction Technologies (CWRT), Design Insitute of Physical Properties (DIPPR), and Education, died on Dec 11, 2013, in Meadowbrook, PA. He was 76.After earning his PhD in chemical engineering at the Univ. of Delaware, Weaver spent most of his chemical engineering career at Rohm and Haas, starting in research in 1969 and retiring in 1990 as Vice President for Environmental, Health and Safety, and Engineering. He subsequently joined the AIChE staff as director of CWRT, taking on additional responsibilities through the 1990s, and retiring in 2002. Many of Weaver's notable contributions were made to CCPS and the process safety community at large, including the Business Case for Process Safety, which laid the foundation for acceptance of process safety as a business responsibility.Upon his retirement from AIChE, Weaver joined the social justice organization Esperanza, Inc., and served as dean of Esperanza College of Eastern Univ. He also volunteered as a science presenter at Philadelphia's Franklin Institute and as a docent at the Philadelphia Zoo, where he shared his enthusiasm for wildlife and the natural environment.He is survived by his wife of 48 years, Linda, and a daugther, Sonya.