Admiral William Leahy, US Atomic Bomb Project. This fellow Charles Lindbergh will never make it. Harry Guggenheim, millionaire aviation enthusiast. Stocks have reached what looks like a permanently high plateau. Irving Fisher, Professor of Economics, Yale University, 1929.
Airplanes are interesting toys but of no military value.
Marechal Ferdinand Foch, Professor of Strategy, Ecole Superieure de Guerre. Man will never reach the moon regardless of all future scientific advances. Dr. Lee De Forest, inventor of the vacuum tube and father of television. Everything that can be invented has been invented. Charles H. Duell, Commissioner, U.S. Office of Patents, 1899.