William Jewell, a researcher who pioneered innovative approaches to waste treatment, renewable energy production and groundwater remediation, died Nov. 5, 2024, in Ithaca. A professor emeritus of biological and environmental engineering, he was 83.

Jewell joined the Cornell faculty in 1973. Throughout his distinguished 35-year career in the College of Agriculture and Life Sciences, Jewell was widely recognized as a visionary leader in the field of environmental engineering. His pioneering work spanned multiple facets of environmental protection, from ecological engineering to waste management systems. His research focused on the biotreatment of toxins, pollution control and the generation of renewable energy through anaerobic methane fermentation.

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