Arnold Neustadter (25 August 1910 – 17 April 1996) was an American inventor and businessman. , He invented the Rolodex desktop rotating card file and other office equipment with Danish engineer Hildaur Neilson which has been called "a triumph of low technology" and "a lasting symbol of the art of networking".
|Born||25 August 1910|
|Died||17 April 1996|
Neustadter's earlier inventions included the Autodex, a spring-operated phone directory that automatically opened to the selected letter, Swivodex, an inkwell that did not spill, Punchodex, a paper hole puncher, and Clipodex, a transcription aid that attached to a stenographer's knee.
- Zuckerman, Laurence (1996-04-19). "Arnold Neustadter Dies at 85; Orderly Mind Behind Rolodex (Published 1996)". The New York Times. ISSN 0362-4331. Retrieved 2021-01-14.
- "The History of the Rolodex". Durakis Executive Search. 2015-02-11. Retrieved 2021-01-14.
- Rolodex Card Files: A Triumph of Low Technology, Boston Globe
- Arnold Neustadter Dies at 85; Orderly Mind Behind Rolodex, New York Times
- History of the Rolodex Archived 2008-11-07 at the Library of Congress Web Archives, about.com