Alexander was born to prosperous
Jewish parents Julia (née Moses, 1882-1938) and Cecil Alexander (1877-1952) in the
Virginia-Highland section of Atlanta. Cecil Alexander, Sr. was the owner of a successful hardware company, J.M. Alexander & Company, which he sold to King Hardware in 1947. Named Henry Alexander at birth, he was named after an uncle who was unmarried at the time. When he was five years old, his "Uncle Harry" had married and the couple gave birth to a son. It was decided that young Henry would relinquish his name to his younger cousin and would, instead, be named after his own father, Cecil Alexander, Sr. the campus humor magazine, and received a bachelor's degree in architecture in 1940. He continued graduate studies at the
Massachusetts Institute of Technology in Cambridge, Massachusetts. In 1946, following his military service in World War II, he enrolled in the graduate architecture program and earned his master's degree at
Harvard University in
Cambridge, Massachusetts, where he studied with
Walter Gropius, the founder of the
Bauhaus school, which was a major influence on the development of modern architecture. ==Architecture and civic leadership==