Abstract: REPLYING to a question in the House of Commons on June 30, the president of the Board of Trade said that Sir Percy Mills has accepted his invitation to become chairman of the National Research Development Corporation. Five other directors have also been appointed: Prof. P. M. S. Blackett, Sir John Duncanson, Sir Edward Hodgson, Mr. W. E. P. Johnson and Sir Edward de Stein. The managing director of the Corporation, which came into formal existence on June 28, is Lord Halsbury.