HOLDEN - Eric Gregory, PhD, of Holden, passed away peacefully on Sunday, August 28, 2016 at UMass Memorial Medical Center - Memorial Campus after an illness. Dr. Gregory was born in Golborne, England, the son of Henry P. and Ellen (Waterworth) Gregory and lived 32 years in Holden. Dr. Gregory received his B.A. and Masters in Natural Science, and his PhD. in Metallurgy from the University of Cambridge in the UK. His PhD. Thesis was on Internal Oxidation of Silver Alloys. He was awarded a Fellowship granted jointly by the UK Ministry of Education and the US Mutual Security Agency to study production technology in the United States, and did post graduate work at the University of Michigan and MIT. He worked on sintered aluminum powder products and dispersion hardened copper and nickel based alloys. Dr. Gregory has published over one hundred papers on a variety of topics, principally superconducting materials and powder metallurgy materials. He was the recipient of numerous awards for his significant and continuing contributions in the field of superconducting materials, in particular: his pioneering work in developing critical current density in niobium - titanium and leadership in the commercialization, by a number of companies, of multi-filamentary conductors and high energy physics acceleration projects. He was a co-owner of Supergenics and was the former manager of Research and Development at Intermagnetics General Corporation, Advanced Superconductor Division in Carteret, New Jersey. Earlier in his career, Dr. Gregory held positions at Supercon, Inc. as the Executive Vice President and Oxford Airco as General Manager. He was past president of Cambridge University Metallurgy Society, The Metal Science Club of New York, New York Chapter of the American Society for Metals, and the New York Chapter of the American Institute of Mining and Metallurgical Engineers. He leaves his beloved wife of 60 years, Blanche L. (Ring) Gregory of Holden and daughter, Pamela Gregory of Campbellsville, Kentucky. His brother, Frank Gregory predeceased him.