Hastings resident Edward Siden passed away on Wednesday, Jan. 20, at age 73, surrounded by his family, after a 10-year battle with Lewy Body Dementia.

Ed was a distinguished Ph.D. scientist and professor of genetics and immunology for 47 years. His accomplishments and contributions to the field included the discovery of a step of B-cell development in the lab of Nobel Prize-winner David Baltimore at MIT. His publications were cited in scientific journals over 1,000 times and continue to provide the framework the current understanding of immunologic tenets.

Born in Miami, Fla., to Nathan and Janet Siden, Ed went on to attend Brandeis University. He completed his Ph.D. at UC San Diego, and then moved to Boston for his post-doc at MIT. It is there he met Nancy. Together, they moved to Gainesville, where Ed spent seven years doing research at University of Florida. They moved to Hastings 32 years ago. Ed began performing research at Mount Sinai Medical Center in Manhattan and then moved into teaching at Felician University in Lodi, N.J., where he worked for 24 years.

Ed approached the world with an innate sense of curiosity, not only for how the human body works, but also the natural world around him. He and his family spent many summers camping and exploring national parks. He relished any opportunity to learn and share what he knew.

Ed is survived by his wife, Nancy; sons Steven and Mark; sister, Laurie; and his wonderful extended family.

In lieu of flowers, donations can be made on Ed’s behalf to the National Park Foundation, or the Lewy Body Dementia Association.

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