Secret Snowflake Reveal!

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Across
  1. 2. History buff retiree
  2. 3. The Dean of Clean
  3. 4. Your A Block
  4. 7. Physics connoisseur
Down
  1. 1. Office Central place in the building
  2. 2. February travel
  3. 5. Moxley Batmobile
  4. 6. Travel buddy