green was born in 1931. he received his ba from the university of alabama and has variously worked as a mill hand, construction worker and a supervisor for boeing. his chief employment was in the american space program for which he worked for 37 years, retiring from nasa as deputy chief of the education office at kennedy space center. his specialty was the preparation of nasa fact sheets, brochures and other such publications for the general public, in which complex scientific and engineering concepts were explained in layman's language.