Letter from Thomas Gold to Bishun N Khare, 306 Space Sciences, Campus Confirming his present appointment as Senior Research Associate in the Center for Radiophysics and Space Reserch is intended to be for a period of five years, until January 1980. This is contingent, however, upon the continuation of the present grant for Exobiology from NASA Headquarters, for a support level sufficient to cover his salary and the cost of his operation including overhead. 25 November 1974