Letter from S K Mitra, Radio Research Committee, Board of Scientific and Industrial Research in India, to A V Hill Describes his trip to the US and Canada - finds that in their laboratory visits they were 'not taken into confidence to the same degree as we were in England'. Encloses a copy of his farewell speech in London that was published in 'Nature'. Notes that Hill's letter to the Times received wide publicity [in India]. 4 April 1945