Heather Goad is a phonologist and an acquisitionist at McGill University. She focuses on first and second language acquisition of phonology. She proposed the Prosodic Transfer Hypothesis in second language acquisition, together with Lydia White.

Dr. Stephen David Krashen, educational researcher and writer.

John McCarthy is a leading expert on phonology. He is one of the original creators of Optimality Theory and Correspondence Theory in phonology.

Lydia White is a leading expert in second language acquisition (SLA). She is the James McGill professor of linguistics. Her book, "Second language acquisition and Universal grammar" is a standard textbook in many university-level SLA courses. She is one of the strongest proponents of the role of UG in second language acquisition.