[7] Martha played a key role in collaborating with architect Mott Schmidt for design of the house, as evidenced by sketches and letters.
[1] Lower-level storage vaults with temperature and humidity control were constructed in 1974 as the beginnings of the Rockefeller Archive Center,[9][1] which opened its doors in 1975.
[6] The house continues to contain other family artwork and artifacts, including John D. Rockefeller Jr.’s oak-paneled office from 26 Broadway, relocated to Hillcrest in its original configuration.
[1] In 2018, collections included 55,000 cubic feet of records, approximately 1 million photographs, 25,000 audiovisual items, 18,000 microfilm reels, and 45 terabytes of digital data.
[6] Created in partnership with Marist College, Project Electron is an open source system designed to help non-profit organizations keep abreast of digital record management and archiving.