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Living people
American male non-fiction writers
1950 births
American chess writers
California Institute of Technology alumni
People from Montgomery County, Pennsylvania
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Dan Heisman: page information

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Page ID1723606

Revisions0

Words524

OriginImported

CreatedJun 20, 2026, 2:58 AM

UpdatedJun 20, 2026, 2:58 AM