Was Einstein a Space Alien?

123456789101112
Across
  1. 3. worthy of attention, striking
  2. 6. a specialist/expert in physics
  3. 7. fall into a light sleep
  4. 10. gradually make sb/sth less strong to effective
  5. 11. a long piece of writing that you do for a university degree
  6. 12. officially agree to; believe that sb or sth is suitable
Down
  1. 1. sth which looks dirty or untidy
  2. 2. separate from other people
  3. 4. consequently, therefore, in a suitable manner
  4. 5. write or compose
  5. 8. have no respect for
  6. 9. the sudden or violent start of with unwelcome, such as disease