Raymond Carhart

Who was Raymond Carhart?

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. He studied at Dakota Wesleyan University, and at Northwestern University. He remained at Northwestern until 1944, first as Instructor in Speech Re-education and later as Assistant and Associate Professor. He joined the US Army Medical Administrative Corps in 1944, working in Butler, Pennsylvania until 1946. He returned to Northwestern in 1947, where he remained until his death in 1975.

"Carhart notch effect" is a decrease in the bone-conduction hearing at the 2000 Hz region of patients with otosclerosis first reported by and therefore named after Raymond Carhart.