Milestones

BIGAMY ALLEGED. By JACK KENT COOKE, 81, multimillionaire Washington Redskins owner; regarding his colorful fourth wife of 3 1/2 years, Marlene Ramallo Chalmers, 37 (or thereabouts); in Washington. Cooke says Chalmers ''falsely obtained'' a divorce from her prior husband. His stunning declaration follows embarrassing escapades by Chalmers, including a drunk-driving arrest.

CONVICTED. Actor-rapper TUPAC SHAKUR, 22; of assaulting film director Allen Hughes, who had fired him from the movie Menace II Society; in Los Angeles. Shakur also faces sodomy charges in New York City.

AILING. JACQUELINE KENNEDY ONASSIS, 64; with non-Hodgkin's lymphoma, a treatable form of cancer; in New York City. While undergoing chemotherapy, Onassis is maintaining her normal schedule.

DIED. HOWARD TEMIN, 59, winner of the 1975 Nobel Prize for Medicine; of lung cancer; in Madison, Wisconsin. Temin, who was both a nonsmoker and a leading campaigner against tobacco use, won his Nobel for discoveries in genetics that later allowed researchers to identify the aids virus.

DIED. WILLIAM CONRAD, 73, large, booming-voiced actor; of a heart attack; in North Hollywood, California. Star of the 1970s TV detective series Cannon, Conrad later played the tough district attorney in cbs's Jake and the Fatman. He was the original Marshal Matt Dillon on radio, and provided the resonant narration for The Bullwinkle Show. His film credits included East Side, West Side and The Naked Jungle.

DIED. JACK KIRBY, 76, comic-book super-hero artist who collaborated on the creation of Captain America, Spiderman, the Incredible Hulk, the X-Men and many others; in Thousand Oaks, California. In the 1950s and '60s, Kirby helped refashion superheroes into the more human, more vulnerable, more neurotic characters we know and love today. His bold drawings and layouts have influenced two-generations-and-counting of younger artists.

DIED. BUD WILKINSON, 77, winning University of Oklahoma football coach and sports broadcaster; in St. Louis, Missouri. Wilkinson coached the Oklahoma Sooners to three national championships during the 1950s and 47 straight wins between 1953 and 1957, an N.C.A.A. record that still stands.

DIED. WITOLD LUTOSLAWSKI, 81, influential Polish composer; in Warsaw. By blending traditional and modern techniques, Lutoslawski created some of the more accessible -- and thus frequently performed -- compositions of 20th century ''serious'' music. Among his works: Concerto for Orchestra, Funeral Music and Venetian Games.

DIED. RICHARD BISSELL, 84, CIA pioneer of secret aerial reconnaissance and the covert-operations chief who directed the 1961 Bay of Pigs invasion fiasco that sought to topple Fidel Castro; in Farmington, Connecticut.

DIED. JOSEPH COTTEN, 88, tall, elegant, popular and critically acclaimed leading man of stage and screen classics; in Los Angeles. Underwriting his career at first by selling vacuum cleaners, paints, newspaper ads, and even playing some professional football, Cotten got his first big break when he joined Orson Welles' Federal Theater and Mercury Theater in the 1930s. His < Broadway debut in The Philadelphia Story (1939) and his Hollywood premiere in Welles' Citizen Kane (1941) propelled him to 40 years of stardom. Among his many films: Shadow of a Doubt, Gaslight, Duel in the Sun, The Farmer's Daughter, The Third Man and Touch of Evil.