2006-2007 Series
Christine Lemley, Department of Education, Grinnell College, Algonquian Language Revitalization: Menominee Nation
 
Axel Mueller, Department of Philosophy, Northwestern University, Revisability and Analyticity
 
2005-2006 Series
Sue Savage-Rumbaugh, Great Ape Trust, Des Moines.
 
2003-2004 Series
Mercedes Nino-Murcia, Spanish and Portuguese Department, University of Iowa, The Alphabet on the Andean Heights: Its fortune in Two Villages.
 
2002-2003 Series
Elena Gavruseva, Linguistics Department, University of Iowa, Discovering the Bare Essentials of Bilinguals Syntax: A Case of Bare Predicates.
 
Brigittine French, Mellon Department of Anthropology, Grinnell College, Mayan Language Revitalization in Guatemala.
 
2000-2001 Series
Karen Van Hoek, Michigan Language Center, Perspective taking and pronominal anaphora.''
 
Adele Goldberg, Department of Linguistics, University of Illinois, Urbana-Champaign, Constructing meaning.''
 
Chris Brew, Department of Linguistics, Ohio State University, Linguistic applications of natural language processing.''
 
1999-2000 Series
Stephanie Harves, Department of Linguistics and Philosophy, MIT, Truth, Meaning, and the Chomskyan Revolution: A Case Study in Formal Semantics. *Alumni Scholar Lecture*
 
Randi C. Martin, Department of Psychology, Rice University, Short-term memory, language processing, and language learning: evidence from neuropsychology.''
 
Daniel O'Connell, Department of Psychology, Loyola University of Chicago, Typical Clinton: Brazen it out?''
 
Zhizhong Yang, Department of Applied Foreign Language Studies, Nanjing University, A brief comparison between English and Chinese idioms.''
 
1998-1999 Series
Mary Buchholz 1990, Department of English, Texas A&M University, 'Emotional intelligence' and interactional intelligence: the sociolinguistic competence of nerds.'' *Alumni Scholar Lecture*
 
Andrew Pessin, Department of Philosophy, Kenyon College, Do future-tense sentences have a truth-value?''
 
Gary Ebbs, Department of Philosophy, University of Illinois, Urbana-Champaign, A puzzle about sameness of extension across time.''
 
William Davies, Department of Linguistics, University of Iowa, Free word order without the freedom.''
 
Salikoko Mufwene, Department of Linguistics, University of Chicago, Ebonics: When ethnicity is rated over global history.''
 
1997-1998 Series
David Stern, Department of Philosophy, University of Iowa, Language and practice.
 
Barbara Matthies, Professor Emeritus, Iowa State University, Helping people learn English.''
 
1996-1997 Series
Dell Hymes, Department of Anthropology, University of Virginia, Native American narrative as poetry.''
 
Jerrold Sadock, Department of Linguistics, University of Chicago, Parallel structures in grammar.''
 
1995-1996 Series
Michael Pomper, Speech Services of East Central Iowa, Speech and language errors have rules, too.''
 
Ron Casson, Department of Anthropology, Oberlin College, Where does color come from? Linguistic innovation in English and Turkish color terminology.''
 
1994-1995 Series
Diane May, Hillhaven Corporation, Language speech pathology: why talk isn't cheap.''
 
Brenda Farnell, Department of Anthropology, University of Iowa, Getting to the point: space, time, and the semantics of storytelling in Plains Indian sign language.''
 
Kara Soyhun, Department of Philosophy, Grinnell College, The assertion fallacy revisited.''
 
William Davies, Department of Linguistics, University of Iowa, Linguistic theory and second language studies: where the pendulum is now.''
 
Heimir Geirsson, Department of Philosophy, Grinnell College, Meaning and reference: giving Humpty Dumpty his due.''
 
1993-1994 series
Russell Tabbert, Department of English, University of Alaska Fairbanks, Linguistic variety in America: will we all speak `general American'?''
 
Nora England, Department of Anthropology, University of Iowa, Mayan languages.''
 
Stephen Neale, Department of Philosophy, University of California at Berkeley, Form and representation.''
 
Russell Tabbert, Department of English, University of Alaska Fairbanks, Language authority in America: in grammar and Webster we trust.''