Jacob Kawada

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Across
  1. 3. The name of the bomber Barnes Wallis designed but was declined
  2. 5. the type of bomb the Grand Slam was
  3. 6. The rank Barnes Wallis was in the RNAS (Royal Naval Air Service)
  4. 7. One of the occupations Barnes Wallis was known as
Down
  1. 1. The place where Barnes Wallis was born
  2. 2. The largest non-atomic bomb used in WW2
  3. 4. The target for Barnes Wallis' surface torpedoes