Passing of Gregg Kellogg, Prolific W3C Contributor

2025-09-11

The W3C sadly announces the passing of Gregg Kellogg, a prolific Invited Expert, last Saturday. For over 13 years, Kellogg made significant contributions, notably co-chairing the JSON-LD Working Group and leading several data-focused Community Groups. His work included co-editing numerous W3C recommendations and specifications, along with providing open-source implementations and test suites. His contributions were instrumental to the success of JSON-LD. The W3C is planning a tribute to honor his memory and celebrate his friendly and brilliant contributions.

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