William Fleming WG91, 63, formerly of Reading, PA, died at home in Philadelphia on October 30, 2020, after a courageous two-year battle with cancer. Bill was born on September 20, 1957, in Orange, NJ, and grew up in Boonton, NJ. He was a talented mechanical engineer and entrepreneur. After decades of design and development of specialized custom diaphragm vacuum pumps and compressors, Bill successfully started a small business called Dynaflo, Inc., in Reading that continues to thrive. One of his lasting achievements was the design of an innovative patented radial pump used in medical respirators that helped save many lives during the ongoing COVID-19 pandemic. Bill was very active in the cycling community, an interest that extended to mountain biking. He is survived by wife Jennifer Fleming, daughter Emily Fleming, son Liam Fleming, stepdaughter Jamison Brennan, mother Gail Fleming, brother Jeffrey Fleming, sister Mary Lee Majno, and brother-in-law Lorenzo Majno.