Letter, Fred L. Whipple to Arthur C. Clarke, September 21, 1960
Letter from Fred L. Whipple, Director, Smithsonian’s Astrophysical Observatory, to Arthur C. Clarke, regarding Clarke’s story “Into the Comet,” September 21, 1960. NASM.2015.0010-bx001-fd008_170
ID#:
NASM.2015.0010-bx001-fd008_170
Source:
National Air and Space Museum Archives, Smithsonian Institution