Includes guest lists, invitiations, program, and correspondence concerning the naming of the Science Center, lecture halls, and laboratories. Also includes correspondence from the family organizations representing Frederick Buss, Franklin West, Carl Eyring, John Widtsoe, Orson Pratt, Wayne B. Hales, and Charles E. Maw.

Contains materials gathered by Maureen Meyer Fletcher for her masters thesis in film, which featured Harvey Fletcher, Sr. Materials include film reels, VHS tapes, audiocassettes, betacams, and other biographical information of Harvey Fletcher Sr. such as publications, photos, letters, and awards. The collection also includes materials from other Fletcher family members. Dated approximately 1884-1982.

Correspondence and publications while at Bell Telephone Laboratories from 1916 to 1950 and correspondence connected with national societies relating to the physical sciences and acoustics from 1910 to 1954.

Materials include the papers of Harvey Fletcher Sr., which include publications, oral interviews, research notes, photographs, newspaper clippings, and letters. Dated approximately 1884-1981.

Materials include correspondence and copies of the autobiography Stephen Fletcher wrote about his father Harvey Fletcher, Sr. Dated 1920-1981.

During the first half of the 20th century, Bell Telephone Laboratories carried out an extensive research program aimed at improving the quality of telephone speech. Harvey Fletcher led this effort and these CD's contain correspondence and reports related to his work.