Letter from F D Drake to Professor B Samuel Tanenbaum, School of Engineering, Division of Electrical Sciences and Applied Physics, Case Western Reserve University, Cleveland, Ohio His recent letter made Drake feel very good. Has just returned from a few days at Arecibo, where Tanenbaum;s students seem to be being productive and getting on well. Discusses correspondence with Bill Gordon and others concerning possible cutbacks at Arecibo. Had a sad letter from Henning Bach saying Katren had died. 18 January 1971