| Source | Chicago Tribune |
|---|---|
| Original Load Date | Feb. 7, 2026, 6 a.m. |
| Last Updated | Feb. 7, 2026, 6 a.m. |
| Original URL | https://www.chicagotribune.com/2026/02/07/donald-g-york-obituary/ |
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Donald G. York was a longtime University of Chicago astronomer and astronomy
professor who co-founded the Sloan Digital Sky Survey, a wide-ranging mapping of
the solar system that produced a three-dimensional map of a large fraction of
the sky.
York, considered a visionary within his field, was beh...