Ira Hirsh (February 22, 1922 – January 12, 2010) was an American psychologist who made early contributions to the field of audiology.
After serving in the US Army Air Force, Hirsh earned a Ph.D. at Harvard University, where he conducted research at the Psycho-Acoustics Laboratory (PAL) under Stanley Smith Stevens.
[1] He remained affiliated with CID until 1983 and from, but he held academic posts at WUSTL at the same time, including professor of psychology and dean of arts and sciences.
[2] Hirsh wrote a well-known audiology textbook, The Measurement of Hearing (1952), and was widely published in professional journals.
[3] He made important research observations about the brain's processing of speech over various time intervals.