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85 of all that rigid convention has certainly gone by. ...... This is the evening of our radio date and three hours from now, we shall be listening to the same music. That is going to give me a happy little thrill to know that at least we are joined by that music. This morning at church, the little round, unobtrusive microphone sat quietly on the pulpit desk, apparently lifeless. And I thought then of the great marvel of the radio, and how Mr. Caldecott's voice was controlling, by its vibrations, the waves of energy being radiated by the two wires strung high above Bldg.40 down at the plant -- of how the mere vibrations of his voice were indirectly controlling the complex cycle of delicate and wonderful operations that occur in hundreds and perhaps thousands of receiving instruments all over this part of the country, in farmhouse and residence and room. Again I say like thousands of others, what a marvelous age to be living in! And most of us just take it all for granted -- it gives us no particular thrill. ...... I am enclosing a picture of Dr. Whitney, who is the head of the Research Laboratory here. I understand he is one of the greatest scientists in America today. He is quite a character, I guess. He has more honors and medals, etc. in chemistry than you could shake a stick at. Look him up in "Who's Who in Science" sometime. [[image - Dr. Willie R. Whitney, Director of the Research Laboratory, Building 5, with the apparatus used in studying the disintegration of uranium by means of modified Geiger's apparatus]]