Stephen hawking crossword

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Across
  1. 3. Stephen Hawking was a ___________
  2. 4. the book that Stephen hawking wrote
  3. 5. the type of radiation that comes from black holes
  4. 6. how he talked
  5. 7. what is the name of the kid who gave you this crossword
  6. 8. the thing he used to move
  7. 9. the college he went to
Down
  1. 1. stands for ALS
  2. 2. he participated in oxfords______team