Raymond T Carhart was an audiologist. As a founder and pioneer of the science, he is frequently referred to as the "Father of Audiology."
Carhart was born on March 28, 1912, in Mexico City

Mexico City

Mexico City is the Federal District , capital of Mexico and seat of the federal powers of the Mexican Union. It is a federal entity within Mexico which is not part of any one of the 31 Mexican states but belongs to the federation as a whole...

. He studied at Dakota Wesleyan University

Dakota Wesleyan University

Dakota Wesleyan University is a four-year university located in Mitchell, South Dakota, founded in 1885, that is affiliated with the United Methodist Church. The student body averages slightly less than 800 students...

 (BA in Speech and Psychology, 1932), and at Northwestern University

Northwestern University

Northwestern University is a private research university in Evanston and Chicago, Illinois, USA. Northwestern has eleven undergraduate, graduate, and professional schools offering 124 undergraduate degrees and 145 graduate and professional degrees....

 (MA, 1934, and PhD, 1936, in Speech Pathology

Speech and language pathology

Speech-Language Pathology specializes in communication disorders.The main components of speech production include: phonation, the process of sound production; resonance, opening and closing of the vocal folds; intonation, the variation of pitch; and voice, including aeromechanical components of...

, Experimental Phonetics

Phonetics

Phonetics is a branch of linguistics that comprises the study of the sounds of human speech, or—in the case of sign languages—the equivalent aspects of sign. It is concerned with the physical properties of speech sounds or signs : their physiological production, acoustic properties, auditory...

 and Psychology

Psychology

Psychology is the study of the mind and behavior. Its immediate goal is to understand individuals and groups by both establishing general principles and researching specific cases. For many, the ultimate goal of psychology is to benefit society...

).
He remained at Northwestern until 1944, first as Instructor in Speech Re-education and later as Assistant (1940) and Associate (1943) Professor. He joined the US Army Medical Administrative Corps in 1944, working in Butler

Butler

A butler is a domestic worker in a large household. In great houses, the household is sometimes divided into departments with the butler in charge of the dining room, wine cellar, and pantry. Some also have charge of the entire parlour floor, and housekeepers caring for the entire house and its...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

until 1946. He returned to Northwestern in 1947, where he remained until his death in 1975.