Born in New York on Nov. 29, 1918, she was educated at Smith College and published her first short stories while still in college.
She lived in Greenwich Village in 1941 and there met her husband, actor Hugh Franklin.
Her first book, The Small Rain, was published in 1945, followed by Ilsa in 1946.
She and Franklin moved to an old farmhouse in Connecticut and operated a general store while L’Engle wrote. The couple had three children.
She published two more novels but didn’t achieve success until 1963, when she and Franklin moved back to New York and he landed a plum role on a soap opera.
That same year, A Wrinkle in Time was published to critical acclaim and lasting commercial success.
L’Engle won the Newbery Honour for A Ring of Endless Light in 1981.
One of her books for adults, Two-Part Invention, was a memoir of her marriage, completed after her husband’s death from cancer in 1986.
Deeply involved in community and church, she also served as writer-in-residence at the Cathedral Church of Saint John the Divine in New York.
Her Genesis trilogy, including 1983’s And It Was Good, 1986’s A Stone for a Pillow and 1989’s Sold Into Egypt are based on biblical characters.