Gaposchkin, Peter John Arthur of Berkeley, CA and Lexington, MA, retired astrophysicist, database specialist and programmer analyst, well beloved brother of Katherine Haramundanis and Edward Gaposchkin, passed away September 30th in Berkeley. He was 74. He completed his undergraduate work at MIT and his PhD at the University of California, Berkeley. Peter's outgoing nature and interest in helping others made him many friends who were supportive in his last months after a debilitating accident, hit by a car when crossing the street. He is sorely missed. In his long career, Peter had worked at NRAO, Green Bank, WV; Lawrence Radiation Laboratory, Berkeley, CA; NAVPRO, Sunnyvale, CA; Fleet Num Ocean Center, Monterey, CA; Informatics, Palo Alto CA; San Francisco Public Utilities Commission, CA; and taught at Merritt College, Oakland, CA and San Francisco Community College, CA. Listed in Who's Who in the World, he was active in local community groups including Experience Unlimited, Oakland; University Ave Consumers Coop, Berkeley; Shattuck Av. Consumers Coop of Berkeley; Oakland CA Toastmasters as participant and mentor, and Berkeley Friends Meeting where he served on the Peace and Social Order Committee working on social justice and environmental issues, attending many City Council and Commission meetings often communicating with legislators by email. He retained a long term interest in ham radio, enjoyed Go at the SF and Berkeley Go Clubs, published brief articles on fairness in baseball pitching, and was a member of the American Mathematical Society, AAAS, Astronomical Society of the Pacific, Association of Computing Machinery, Math Association, Sigma Xi, and the American Astronomical Society.