Ann Kaiser

Ann Philomena Kaiser, the Susan W. Gray Professor of Education and Human Development at Vanderbilt University's Peabody College, died on 13 September 2026 in Nashville, Tennessee. She was 78. For more than four decades she was a principal architect of early language intervention for young children with developmental disabilities, and the founder of the Vanderbilt KidTalk research programme that taught parents and therapists to build communication in the ordinary moments of play and daily life.

Kaiser was born on 1 March 1948 at Saint Rose Hospital in Great Bend, Kansas, and baptised at Saint Joseph Catholic Church in Ellinwood. She earned an undergraduate degree in speech and political science from Kansas State University in 1970 and a Ph.D. in developmental and child psychology from the University of Kansas in 1974, then completed an NIH postdoctoral fellowship at the University of Kansas and the Kansas Neurological Institute. Early in that fellowship she shifted her agenda toward young children with intellectual and developmental disabilities after seeing how little research addressed their communication with caregivers. She spent several years as a research associate at Kansas before joining Vanderbilt on 1 September 1982 as a tenured associate professor; she was promoted to full professor in 1988.

Her primary appointment was in Peabody's Department of Special Education, with a secondary appointment in Hearing and Speech Sciences in the School of Medicine, and she was a longtime Vanderbilt Kennedy Center investigator. She twice chaired Special Education, from 1984 to 1986 and again from 1995 to 1998, and colleagues later credited her with helping build the department's national reputation after Peabody's merger with Vanderbilt. As director of the KidTalk lab she and her team developed and refined Enhanced Milieu Teaching (EMT), a naturalistic behavioural developmental intervention that models, expands and prompts language within child-led play and routines. The approach grew from single-line studies into multi-site clinical trials, including work with bilingual and Spanish-speaking families and with children with Down syndrome and autism, and became recognised internationally as an NDBI practice.

The research had a personal root. Her younger brother had autism spectrum disorder, though he was not diagnosed until adulthood; as a child, early school labels never seemed right to her. Their mother, Loretta Marie Achatz Kaiser, helped found a local Arc chapter and an early educational programme for children with disabilities staffed by Dominican nuns. Kaiser often said she believed as deeply in supporting families as in the science itself, and she paired rigorous trials with attention to caregiver stress and everyday life.

Honours included the Outstanding Research Contributions Award from the American Association for Intellectual and Developmental Disabilities, the J.E. Wallace Wallin Lifetime Achievement Award from the Council for Exceptional Children, Educator of the Year from the a national developmental-disabilities educators' award in 1989, and Vanderbilt's Harvie Branscomb Distinguished Professor Award in 2001. When she received the Susan Gray Chair she said the Kennedy Center and Peabody colleagues had made her a better researcher and a better advocate for children with disabilities.

Dean Camilla Benbow called her a consummate scholar whose innovative research produced real developmental progress for countless children and whose mentorship modelled the ideal Peabody faculty member. Kaiser is remembered as a generous mentor across generations of students and collaborators. She was married to William Ross Spears. Vanderbilt announced her death on 17 September 2026.