Francis Geck (1900-2005) graduated from the New York School of Fine and Applied Art (later, Parsons School of Design) in 1924 and taught interior design at the school's Paris Ateliers until 1927. In 1930, Geck became a professor of fine arts at University of Colorado, where he taught for 39 years. The papers contain correspondence with Parsons administrators, design sketches and student work, publications, and course materials.

Lyman Martin (1908-2003) graduated from Parsons School of Design in 1939 and joined Thedlow, an interior decoration firm. At Thedlow, Martin created interiors and watercolor renderings, and designed rugs and murals. In 1969, Martin became president of Thedlow, remaining until its closure in 1979. The collection includes student work, interior drawings, a travel diary, floorplans, photographs, clippings, and exhibition files.