Edward Bartlett Cormack, a renowned playwright, was born to Edward K. and Alice E. Cormack, his parents. By the year 1900, his family had relocated from their previous residence in Hammond, Indiana to the bustling city of Chicago, where his Scottish-born father pursued a career in sales.
As a playwright, Cormack is particularly notable for his works, which include the plays "The Racket", "Tampico", "The Painted Veil", and "Hey Diddle Diddle". He began his career as a member of Maurice Browne's esteemed Little Theatre Company in Chicago, before later transitioning to work as a press agent and newspaperman in New York City.
Cormack was married to Adelaide Bledsoe, the daughter of Samuel T. Bledsoe, the president of the Atchison, Topeka, and Santa Fe Railroad.