1969 Press Photo Dr. Gordon MacDonald and other witnesses testify on ABM system

These witnesses expressed different points of view on the proposed Safeguard antiballistic missile system during testimony today before a Senate Disarmament subcommittee. From left: Donald F. Hornig who was science adviser to former President Lyndon Johnson; Dr. Gordon J. MacDonald of the University of California at Santa Barbara, and Dr. Eugene Wigner of Princeton University.

Photo is dated 1969.

Photo measures 10 x 8.25 inches.