LEONARD D. WICKENDEN Book Editor and Writer Leonard Daniel Wickenden, 76, a novelist and short story writer who in 1953 joined what is now Harcourt Brace Jovanovich Inc. as a book editor, died Oct. 27 at his home in Weston, Conn., after a heart attack. At Harcourt, he became a senior editor responsible for fiction, nonfiction and poetry. He edited the works of Edward Louis Wallant, Wendell Berry, Catherine Dunham, Jessamyn West and Lillian Smith. Mr. Wickenden wrote novels about family life. His first novel, "The Running of the Deer," was a bestseller in 1937. His books included "The Wayfarers" (1945), "Tobias Brandywine" (1948), "Walk Like a Mortal" (1949), "The Dry Season," (1950) and "The Red Carpet" (1952). DARWIN KLINGMAN Computer Authority Darwin Klingman, 45, a professor of management science and information systems at the University of Texas who was a pioneer in computer procedures, died of cancer Oct. 27 in Austin, Tex. At the time of his death, he served on the faculty of the university's business administration school. Dr. Klingman was an authority on mathematical models used for computer work dealing with decision-making. His work is used in studies examining the fiscal impact of policy on taxation, welfare and Social Security. His procedures have been adopted by more than 100 governmental agencies and companies. DEAN ALFANGE N.Y. Liberal Party Leader Dean Alfange, 91, who helped form New York's Liberal Party in 1944 and make it a potent force in city and state politics, died of cancer Oct. 24 at his home in New York City. Mr. Alfange, a lawyer, ran for governor of New York on the American Labor Party ticket in 1942, placing third. After leading the American Labor Party for several years, he broke ranks with it over pro- and anti-communist factions, and helped form the Liberal Party. He also was a past president of Ahepa, a Greek-American civic group. NORA LEVIN Historian Nora Levin, 73, an associate professor of modern Jewish history at Gratz College in Philadelphia who wrote the 1968 book "The Holocaust: The Destruction of European Jewry, 1933-45," died of cancer Oct. 26 in Philadelphia. Her book has gone through nine printings and has been translated into several foreign languages. She was executive director of the Pioneer Labor Women Zionist Organization in the late 1940s, and taught at Gratz for nearly 20 years.