Who invented the first practical helicopter and when?
Prof. Henrich Focke, a German inventor, devised the first practical helicopter called the Focke-Wulf Fw 16, which was successfully flown...
Prof. Henrich Focke, a German inventor, devised the first practical helicopter called the Focke-Wulf Fw 16, which was successfully flown...
Wilhelm Conrad Röntgen was a German physicist. In 1895 he was working with cathode rays when he discovered a different...
Erwin Rommel was a German Field Marshal in World War II. He was a highly decorated officer of World War...
Einstein had said, ‘If my theory of relativity be proven successful, Germany will call me a German, and France will...