Daniel Weinstock, 27, of Middlebury, died on April 8, 2022, in Ithaca, New York, of medical causes after a three-year struggle with alcohol addiction. He is remembered for his quick brain and laugh, eagerness to jump in to help others, and his gift for teaching. Most of all, his loved ones remember Dans deep and loyal devotion to his friends and family, who filled him with joy. Daniel Baker Weinstock was born on February 17, 1995, in Waterville, Maine, the son of David Weinstock and Ann Jones-Weinstock. He grew up in Middlebury, graduating in 2013 from Middlebury Union High School, where he served as a calculus teaching assistant and ran on the cross-country team. During high school, he also took math courses at Middlebury College. He went on to Lehigh University to study Materials Science and Engineering and Polymer Science, graduating with highest honors. He served a summer internship at NASAs Jet Propulsion Laboratory, where he designed and performed heat-treatment experiments, and was a research assistant at Lehighs International Materials Institute for New Functionality in Glass. Dan then enrolled in the Materials Science and Engineering Ph.D. program at Cornell University, earning the Masters of Science degree in December 2021. His research focused on battery charge-structure dynamics at the nanoscale, including sodium-ion batteries and their implications for sustainable energy-storage systems in response to climate change. Dan was the lead author in the journal paper, "Structure-Selective Operando X-ray Spectroscopy," published in ACS Energy Letters in December. He is survived by his parents, David Weinstock and Ann Jones-Weinstock, of Middlebury; his brother, Benjamin Weinstock of Portland, Maine; his grandmother Margaret (Rodgers Jones) Nichols of Middlebury; and many loving family and friends. A memorial service will be held at a later time. In lieu of flowers, his family invites gifts to the charities Dan supported: the ACLU, Berea College, Doctors Without Borders, ProLiteracy, and the Vermont Childrens Trust Foundation. On-line condolences at: www.sandersonfuneralservice.com