Do you remember?

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Across
  1. 4. dean of College of Medicine
  2. 5. scientist, photographer, guitar player
  3. 9. grand lady of Indonesia
  4. 11. has trouble smiling for the camera
  5. 13. song bird of Malaysia
  6. 14. mathematician from Vietnam
  7. 17. celebrated his birthday on April 20
  8. 18. starts with “well…”
  9. 19. University president in Ho Chi Minh
  10. 20. “youngest” IDC mentor
  11. 23. sang solo in Cultural night
  12. 26. Dang funny man of Vietnam
  13. 27. University president from Bago
  14. 29. left his job in Cambodia
  15. 30. left her daughter with Freya
Down
  1. 1. observed Ramadan in Berlin with Iwan
  2. 2. same surname as funny man of Vietnam
  3. 3. singer of “Pangako Sayo”
  4. 6. University president in Malanday
  5. 7. IDC and QA mentor
  6. 8. choreographer of Philippine team
  7. 10. Vice-Rector from Surabaya
  8. 11. an engineer from MIT
  9. 12. well-known scientist and engineer
  10. 15. wears a very long hair
  11. 16. everyone’s HELP button
  12. 21. gentleman from Cambodia
  13. 22. named after the Philippines’ national hero
  14. 24. sounds like “unpredictable changes”
  15. 25. NMT team leader in Cambodia
  16. 28. loves Hermes bags