The Lunar Geology Conference, held in Houston, is attended by 132 international participants from NASA Headquarters and other NASA centers; other government agencies (both U.S. and foreign); and universities.
The first issue of the Lunar Science Information Bulletin is published.
The Science Council for the Lunar Science Institute is formed.
Mariner 10 is the first spacecraft to fly by Mercury.
The Fifth Lunar Science Conference is held, with 565 in attendance. The conference is dedicated to the late Dr. Paul W. Gast, who contributed so greatly to the lunar program.
Robert O. Pepin is appointed LSI Director.
The initial meeting of the Lunar Photographic and Cartographic Committee is chaired by James Head.