Air Traffic - Quo Vadis? Scenarios for the next twenty years
Franz Tessun Daimler-Benz Aerospace, Germany
We advise Professor Samuel P. Langley not to endanger his excellent scientific reputation any further by continuing to waste time and money on experiments with flying machines. Life is short and he is able to serve mankind in much better ways than through what might result from attempts to fly. There are more useful occupations for the Langleys of this ...