THIS DOCUMENT IS THE PROPERTY OF HIS BRITANNIC MAJESTY'S GOVERNMENT The circulation of this paper has been strictly limited. It is issued for the personal use of TOP SECRET Copy No. 24 B.W. (48) 8 (0) LIMITED CIRCULATION 20th February, 1948. CHIEFS OF STAFF COMMITTEE BIOLOGICAL WARFARE SUB-COMMITTEE PENICILLIN PLANT Note by the Joint Secretaries A Russian scientist, M. Borodin, came to this country in 1944 with the object of obtaining information about the deep culture process for making penicillin.