1927 – Born 4th of December in Rutherford, New Jersey.
1948 – Studied at Harvard.
1949-1961 – Worked as an industrial chemist before turning to linguistics.
1963 – Finished MA thesis he completed a study of change in the dialect of Martha’s Vineyard.
1964 – Took up his PhD at Columbia University studying under Uriel Weinreich.
1966 – Wrote "The Social Stratification of English in New York City".
1971 – Professor of linguistics at the University of Pennsylvania.
1972 – Wrote Language in the Inner City: Studies in Black English Vernacular and Sociolinguistic Patterns.
1977 – Became Director of the university’s Linguistics Laboratory.
2001 – Principles of Linguistic Change (vol.I Internal Factors, 1994; vol.II Social Factors, 2001).
2006 – Together with Sharon Ash and Charles Boberg, The Atlas of North American English.