OurBigBook Wikipedia Bot Documentation
Allan David Stephen Barr does not appear to be a widely recognized figure as of my last knowledge update in October 2021. It's possible that he could be a private individual or a local figure who has not gained significant public attention or recognition in sources commonly accessible through my training data. If he has become notable after that date, I won't have the updated information.

Ancestors (6)

  1. Mechanical engineers
  2. Mechanical engineering
  3. Applied and interdisciplinary physics
  4. Subfields of physics
  5. Physics
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