Visionary American architect, inventor, writer, and philosopher (1895-1983) perhaps best known for inventing the geodesic dome, one of the signal developments in modern design and engineering. Original felt tip sketch of a geodesic grid accomplished by Fuller on a white 8 x 10 sheet, signed and inscribed above, "To Ruth Skmius, a four-frequency geodesic grid, Vienna, Sept. 7, 1980, Buckminster Fuller." Double-matted and framed to an overall size of 13 x 15. In very good to fine condition, with a crease at the top, two mailing folds, and light overall fading.
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