Who invented the Celluloid?
A. Jules Janssen
B. Kirkpatrick Macmillan
C. Richard Gatling
D. Alexander Parkes
Answer
Correct Answer: D. Alexander Parkes (1861)
A. Jules Janssen
B. Kirkpatrick Macmillan
C. Richard Gatling
D. Alexander Parkes
Correct Answer: D. Alexander Parkes (1861)