Mexico City (Mexico, D.F.)

On March 19, 1950, Miguel Angel Garcia Macias, an "Ideographic Inventor" from Veracruz, Mexico, wrote to the President of the Commission of Scientific Investigation of the United States of North America in New York, proposing atomic-powered "stratospheric aerostats" of conic-global form and asserting that the U.S. already possessed flying saucers using atomic force. The letter, postmarked March 20 and received by the FBI New York office by April 7, 1950, included technical drawings and was translated by Mrs. Sophia Saliba. Also enclosed was a clipping from a Mexican newspaper dated March 16, 1950, reporting that German Horacio Robles Jr.