Niels Bohr

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Across
  1. 3. Won noble prize in it
  2. 5. shows lines of different wavelengths
  3. 6. Developed the model using the hydrogen atom
  4. 7. One of the foremost scientists of the 20th century
Down
  1. 1. Niles Bohr studied under the well known physics professor
  2. 2. Married her in 1912
  3. 4. The City he was born in
  4. 8. Has an atomic number of 107