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Ray Hefferlin might refer to a person, but there isn't widely available information about an individual by that name in historical or notable contexts. It is possible that Ray Hefferlin could be a private individual, a figure in a regional context, or involved in a specific niche not covered in mainstream sources.

Ancestors (6)

  1. American physicists
  2. North American physicists
  3. Physicists by continent
  4. Physicists
  5. Physics
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