Catherine Ringen is an American phonologist and professor emerita of linguistics at the University of Iowa.
[1] Ringen earned her Ph.D. in Linguistics from Indiana University in 1975, with a dissertation entitled "Vowel Harmony: Theoretical Implications.
"[2] After her PhD she took up a position at the University of Iowa Linguistics Department,[3] where she stayed until her retirement in 2015.
[4] She served on the Executive Committee of the Linguistic Society of America from 2008–2010.
[5] She was a member of the scientific committee of the Manchester Phonology Meeting from 2004 to 2014.
“Quantity and laryngeal contrasts in Norwegian,” Journal of Phonetics, 41, 479-490.