The letter is from Robert S. Kerr to G. H. Westby, President of Seismograph Service Corporation, thanking him for his significant contribution to the First National Conference on the Peaceful Uses of Space. Kerr acknowledges Westby's help in research and praises the progress of the company in providing radio positioning equipment for the Atlantic Missile Range. Kerr expresses gratitude for the assistance provided by Westby to his committee staff.