Cynthia Propper Seton was born Oct. 11, 1926, in New York City. She graduated from the Fieldston School and received her B.A. degree from Smith College in 1948.
For 12 years, Mrs. Seton wrote a regular column for The Berkshire Eagle of Pittsfield, Mass. Her first book was a collection of the columns and was followed by two volumes of essays discussing the problems of family life and marriage against the backdrop of the Vietnam War.
In 1971, she turned to fiction with the publication of ''The Sea Change of Angela Lewes.'' Her third novel, ''A Fine Romance,'' was nominated for the National Book Award in 1976. Her last novel, ''A Private Life,'' was published in April.
Mrs. Seton was in demand as a lecturer on literary and feminist issues. She taught at the Indiana Writers Conference and contributed book reviews to several publications.
Mrs. Seton died October 23, 1982, in Northampton, Mass. She was 56 years old and lived in Northampton.
Bibliography
The Mother of the Graduate (1970) The Sea Change of Angela Lewes (1971) The Half-Sisters (1974) A Fine Romance, (1976) A Glorious Third (1980) A Private Life (1982)