
John Eastburn Boswell was born March 20, 1947 in Boston, Massachusetts, into a military family, going on to earn his undergraduate degree from the College of William and Mary, where he converted to Roman Catholicism. He was a gifted medieval philologist who read more than
fifteen ancient and modern languages.
He received his doctorate from Harvard University in 1975 and joined the Yale University history faculty, making full professor in 1982.
An authority on the history of Jews, Muslims, and
Christians in medieval Spain. In 1987, Boswell helped
organize and found the Lesbian and Gay Studies Center at Yale, which is
now the Research Fund for Lesbian and Gay Studies. He was named the A.
Whitney Griswold Professor of History in 1990, when he was also
appointed to a two-year term as chair of the Yale history department.
Boswell was a gifted and devoted teacher. His undergraduate lectures in
medieval history were renowned for their organization, erudition, and
wit, with the course often making the "top 10" for highest enrollment.
To enhance the novelty and high interest in his classes, the
multi-talented Boswell would often pen his comments on student papers in
perfectly executed italic script.
He received his doctorate from Harvard University in 1975 and joined the Yale University history faculty, making full professor in 1982.

The book was named one of the New York Times ten best books of 1980 and received both the American Book Award and the Stonewall Book Award in 1981.

Boswell converted to Roman Catholicism as an undergraduate at the College of William and Mary, and remained a devout Catholic for the rest of his life. He was an effective teacher and popular lecturer on several topics, including his life journey as an openly gay Christian man.

John Boswell died of complications from AIDS in the Yale infirmary in New Haven, Connecticut, on December 24, 1994, at age 47.
"It is possible to change ecclesiastical attitudes toward gay people and their sexuality because the objections to homosexuality are not biblical, they are not consistent, they are not part of Jesus' teaching; and they are not even fundamentally Christian."