✅ Correct Answer: John Harrison
Source: This question is taken from the Everyday Science
✅ Correct Answer: Chemotherapy & radiotherapy
✅ Correct Answer: Time
✅ Correct Answer: IsaaC Newton
✅ Correct Answer: Al-Khawarzimi
✅ Correct Answer: Robert Millikan
✅ Correct Answer: Michael Faraday
✅ Correct Answer: Rene Laennec
✅ Correct Answer: Alessandro Volta
✅ Correct Answer: Skaats Wheeler
✅ Correct Answer: Alexander Graham Bell
✅ Correct Answer: Iron