Discoveries and Inventions
of the last 100 years
Germany – a country of inventors
Timeline
1900/1904
1900
Dirigible Airship – Graf Ferdinand von Zepplin
1904
Radar- Christian Hülsmeyer
1904
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Radio waves discoveredin 1888  German scientist
Heinrich Hertz proved if they couldbe bounced of things
30th April 1904- patent of his so-called „Telemobiloskop“
So it was possible to locate the distance and direction of
metallic objects with electromagnetic waves
1905/1912
1905
Special Theory of Relativity- Albert Einstein
1912
Theory of Continental Drift - Alfred Wegener
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1912
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His predecessors were Roberto Mantovani and Frank
Taylor
Wegener describes the theory very similarly  in former
times in America known as „Taylor-Wegener-Theory“
Published a book in 1915 about the origin of continents
and ocean
Long time not accepted because of missing explenation for
the movemant of continents
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1914/1916
1914
1916
Miniature camera - Oscar Barnack
General Theory of Relativity- Albert Einstein
1922/1928
1922
Sound Film - Hans Vogt/Jo Engl/Joseph Massolle
1928
Geiger- Müller Counter - Hans Geiger
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1922
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Vogt founded an own company called „Tri-Ergon“ with J.
Engl and J. Massolle  they register over 150 patents
17th September 1922 1st light-soundfilm was presented to
the public in the filmtheatre in Berlin
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1930/1936
1930
All-Electric TV- Set - Manfred von Ardenne
1936
Helicopter- Heinrich Focke
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1930
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1st worldwide all-electric television broadcast with cathode
ray indicator at christmas 1930
Berlin, 1931: radio show . demonstrated the 1st allelectric television
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1942/1951
1942
1951
V2 – Rocket – Wernher von Braun
Scanner – Rudolf Hell
1958/1961
1958
Dowel – Artur Fischer
1961
Birth control pill - Schering AG
1969/1971
1969
1971
Chip Card – Jürgen Dethloff, Helmut Gröttrup
Airbag – Mercedes Benz
1987/1992
1987
MP3-format - Fraunhofer-Institut
1992
CFC Free Fridge - Foron Hausgeräte GMBH
1996
1996
Synthetic Liver - Medical Team