This document contains the minutes of the fourth meeting of the Executive Committee, held at the National Science Foundation Building, during which committee members addressed the following: the Ad. Hoc. Committee, the Nominating Committee's report, Walter Orr Roberts and his views regarding UCAR... Show moreThis document contains the minutes of the fourth meeting of the Executive Committee, held at the National Science Foundation Building, during which committee members addressed the following: the Ad. Hoc. Committee, the Nominating Committee's report, Walter Orr Roberts and his views regarding UCAR, the appointment of an interim director, the House Committee on Science and Astronautics - Science Advisory Committee, the NSF Contract, and the Subcommittee on Appropriations. Show less