Letters from L S Penrose to Various Contains two carbon copies of letters from Penrose to Mr Dazai and Dr Sughioka, Kyushu Kosei Menkin Hospital, requesting permission for Sohei Akiyama to visit the Kennedy-Galton Centre in the summer of 1969; a letter to Keio Tushin & Co. thanking them for a copy of the translated monograph of The Biology of Mental Defect; and a letter to John Maddox of Nature asking if he could use the block for an illustration from Wolfgang Schnedl's "The Bending Pattern of Human Chromosomes" published in Nature, for his revised edition of The Biology of Mental Defect. Mar 1969