Letter from Valerie Sorenson, secretary to Thomas Gold, to Dr Gordon J F MacDonald, Institute of Geophysics & Planetary Physics, The University of California Telling Dr MacDonald that a 6-seater, twin-engined of Empire State Airways is now flying people in 35 minutes from Ithaca to Washington in the morning and back in the evening. Says that 'The transportation problem to Washington, thus, is licked'. 7 April 1966