1. Heinrich Hertz
Heinrich Hertz invented the electromagnetic theory of light and electromagnetic waves.
2. Johannes Gutenberg

Johannes Gutenberg invented the Letterpress printing. It was a great invention and was very much appreciated then

3. Albert Einstein

Albert Einstein invented the Theory of relativity.

4. Wilhelm Conrad Röntgen

Wilhelm Conrad Röntgen invented the X-rays.

5. Heinrich Göbel

Heinrich Göbel invented the Light bulb.

6. Rudolf Diesel

Rudolf Diesel invented the Combustion engine.

7. Hans von Ohain

Hans von Ohain invented the Jet Engine.

8. Manfred von Ardenne

Manfred von Ardenne invented the Television.

9. Karl Friedrich von Drais

Karl Friedrich von Drais invented the Bicycle.

10. Philipp Reis

Philipp Reis invented the Telephone.

11. Gottlieb Daimler

Gottlieb Daimler invented Automobile and internal-combustion engines.
12. Otto Lilienthal

Otto Lilienthal invented the Gliding flights.

13. Hugo Junkers

Hugo Junkers invented the Civilian avion.

14. Heinrich Focke

Heinrich Focke invented the Helicopter.

15. Samuel Hahnemann

Samuel Hahnemann invented the Homeopathy.

16. Felix Hoffmann

Felix Hoffmann invented the Aspirin.

17. Levi Strauss

Levi Strauss invented the Jeans.

18. Julius Lothar Meyer

Julius Lothar Meyer invented the Periodic table of the chemical elements.

19. Rudolf Hell

Rudolf Hell invented the Scanner.
20. Fritz Pfleumer
Fritz Pfleumer invented the Audiotape.
21. Konrad Zuse
Konrad Zuse invented the greatest invention of all times that is Computer.
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