Which teacher this time?

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Across
  1. 6. Sounds like a cheer you’d shout in sport!
  2. 8. Bird + enclosure = this computing expert
  3. 9. Business teacher who “reaves” (sounds like leaves) success behind
  4. 10. Life scientist with a classic Irish surname (snooker fans might recognise it!)
  5. 11. Worker + man makes this scientist add up
  6. 12. Faith teacher sounding like a famous TV detective
Down
  1. 1. County name for the teacher mixing reactions
  2. 2. Designer sharing a name with a famous railway pioneer
  3. 3. Religious studies teacher sounds like “me ask you why?”
  4. 4. Map expert who might also make your bread
  5. 5. Historian who could read your hand
  6. 7. Sounds like “calm plans” for this English expert