Frank C. Keil is Professor of Psychology at Yale University.
Keil is arguably the most original thinker in the field of conceptual development. James Russell , Times Higher Education Supplement The exposition of the empirical studies is admirably clear, and the findings themselves are significant. For linguists interested in concept development and concept representation, and also for philosophers of language who are interested in the causal theory of reference, this book is valuable. Paul Saka , Language