My father followed, during most of his life, the precarious occupation of a country school teacher.
Simon NewcombAerial flight is one of that class of problems with which man will never be able to cope. . . . The example of the bird does not prove that man can fly. Imagine the proud possessor of the aeroplane darting through the air at a speed of several hundred feet per second. It is the speed alone that sustains him. How is he ever going to stop?
Simon NewcombFlight by machines heavier than air is unpractical and insignificant, if not utterly impossible.
Simon Newcomb