Ponnamperuma, Cyril

Ponnamperuma, Cyril, and A. G. W. Cameron. Scientific Perspectives on Extraterrestrial Communication. Boston MIT Press, 1974. 

Ponnamperuma, Cyril, NASA Ames Research Center (private communi-... 

Speculative ideas indeed But strangely enough many of the most current calculations and ideas about the density of life and intelligence in the galaxy confront exobiologists with the dilemma of why we have not yet been contacted. Cyril Ponnamperuma and A. 

The authors are pleased to acknowledge the analytical assistance of Robert Rinehart of Huffman Laboratories, of Wheatridge, Colorado. Jim Beaudry engineered all the RF. generator and activator circuitry, and for whose assistance we are deeply indebted. Cyril Ponnamperuma of NASA, Ames Research Center, kindly provided the amino acid hydrolysis results on our material. Finally, technical discussions with Richard Bersin were most helpful. 

CYRIL PONNAMPERUMA and COLIN S. MUNDAY,1 Exobiology Division, National Aeronautics and Space Administration, Ames Research Center, Moffett Field, Calif. 

Cyril Ponnamperuma demonstrates that the amino acids found on the Murchison meteorite are racemic and therefore of extraterrestrial origin... 

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