The papers of designer, silversmith, and educator Hans Christensen measure 12.3 linear feet and date from 1924 to 1989 with the bulk of the collection dating from 1955 to 1983. The collection includes biographical materials, correspondence, writings and notes, personal business records, teaching files for the Rochester Institute of Technology, printed and broadcast materials, artwork, photographic materials, and sound and video recordings.

The Frank Schiffman Apollo Theater Collection documents the business endeavors of Frank Schiffman, and the Apollo Theater's contribution to American culture. The collection includes sound recordings, personal and business correspondence, photographs, business records, and printed material. The collection is arranged in six series as follows: Serie...

Materials relating to Henry J. Kaufman, including photographs and ID cards; and the records of the Kaufman firm, including six scrapbooks, one for each decade; company newsletters, photographs, and other papers detailing the business history of the company as well as its social and other internal activities.

This collection consists of Willey Ley's personal files, including his business correspondence, book contracts, and galley proofs, as well as publicity concerning Dr. Ley and his activities, and inquiries and comments from Ley's readership during his tenure as columnist for Galaxy Magazine (1952-1969). The material also includes articles gathered by Ley on topics ranging from astronomy and space travel to biology and natural parks to mythology, psychic phenomena, and UFOs.

Papers relate to John Bucheimer's work as manager of new product manufacturing in the Engineering Department at Head Ski Company.

The papers of painter Henry Mosler (1841-1920), who began his career in Cincinnati, Ohio, lived in Germany and Paris for at least 2 decades, and finally settled in New York, measure 4.8 linear feet and date from 1856-1929. The collection documents Mosler's life and career through biographical material, personal and professional letters from members of the military, museums, family, friends and colleagues, writings including an 1862 Civil War diary, personal business records, printed material, artwork and sketchbooks, and photographs of Mosler, his family, colleagues and artwork.

General correspondence files contain all communications that do not pertain to a specific project. Because Friedman's personal life and business were so interconnected, many of his business associates also shared personal correspondence with the designer.,Materials in this collection document Friedman's work from 1967, as a student, until his death...

The papers of educator, painter, and art historian William Chapin Seitz measure 32.5 linear feet and date from circa 1930-1995. The collection includes biographical information, correspondence, notebooks, subject and people files, thesis research files, interviews and lecture recordings, teaching files, personal business records, scattered printed materials, photographs, and artwork. The bulk of the papers focus on Seitz's research and teaching career.

The bulk of the collection consists of renderings of sewing machines and related products by industrial designers such as Henry Dreyfuss, Robert P. Gersin, Eliot Noyes, and Malcolm S. Park; by designers of Singer's in-house design department; and by consultants to the firm. Materials include decals, photographs, negatives, patents, and renderings and sketches. This collection documents the influence of industrial design on Singer sewing machines as well as other household products such as vacuum cleaners.

The papers of New York artist Lillian Kiesler and architect and sculptor Frederick Kiesler measure 49.1 linear feet and date from circa 1910s-2003, with the bulk of the material from 1958-2000. The collection documents their personal and professional lives and the legacy of Frederick Kiesler's work through biographical material, correspondence, legal, financial and business records, teaching files, exhibition and performance files, artwork, subject files, printed material, writings and interviews, monographs, photographic material, and sound and video recordings. Also found are papers related to Abstract Expressionist painter Hans Hofmann and the papers of artist Alice Hodges.