Direction How well do you know the famous inventors of the world? The tests below will test your knowledge when it comes to famous inventors and what they invented.
46.

Who invented Aspirin?
A. Felix Bayer B. Felix Hoffmann
C. Anton Astra D. Rudolph Merck
Answer and Explanation
Answer: Option B
Explanation:
47.

Who invented the LED (Light Emitting Diode)?
A. Nick Holonyak B. Robert Hooke
C. Erna Schneider Hoover D. Elle Hovingh
Answer and Explanation
Answer: Option A
Explanation:
48.

Who invented cocoa powder, cocoa butter, chocolate milk?
A. Coenraad Johannes van Houten B. Coenraad Lindt
C. Coenraad Nestle D. Coenraad Fazer
Answer and Explanation
Answer: Option A
Explanation:
49.

Who invented the radio telescope?
A. Jabir ibn Hayyan B. Jabir ibn Aflah
C. Moritz von Jacobi D. Karl Guthe Jansky
Answer and Explanation
Answer: Option D
Explanation:
50.

Who invented the cornflake breakfasts?
A. Anton Cerial B. John Harvey Kellogg
C. Kellog Jones D. John George Kemeny
Answer and Explanation
Answer: Option B
Explanation: