Apollo 15 to Apollo 12, and since Apollo 11's backup crew had been designated for Apollo 13 (which did not land on the Moon), they were the first Apollo crew for a successful lunar landing mission to have backed up another such mission. Having had the opportunity to familiarize themselves with the Apollo spacecraft, they could devote more of their training time as prime crew for Apollo 15 to geology and sampling techniques. The astronauts at NASA who were scientists, such as geologist Harrison Schmitt, pushed though the early Apollo missions for a greater place for science as part of the mission,
Nancy Hanks (art historian) Endowment for the Arts and Pluralism in the U.S. Visual Arts, "Nancy Hanks perhaps was able to accomplish her mission because she functioned as a type of benevolent art dictator rather than mucking with multiple agendas and political red-tape. From 1969 through 1977, under Hanks' administration, the Arts Endowment functioned like a fine piece of oiled machinery. Hanks continuously obtained the requested essential appropriations from Congress because of her genius in implementing the power of the lobby system. Although she had not had direct administrative experience in the federal government, some people were skeptical at the beginning of her term.