Geheimer Dackelcode

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Across
  1. 4. vics signature
  2. 5. last name of the first programmer
  3. 7. caged
  4. 10. last name of the inventor of marge
  5. 11. singing US father
  6. 15. A special body part
Down
  1. 1. first name of the inventor of petri nets
  2. 2. a must have in your home pharmacy
  3. 3. student inauguration
  4. 4. Linux animal
  5. 6. Not friends, but...?
  6. 8. What informatics students need
  7. 9. fancy antonym of appropriate
  8. 12. Event in December
  9. 13. to have faith
  10. 14. What does a stone and a professor have in common?