JEROME "DOC" POMUS, the rock 'n' roll songwriter whose success stretched from the 1959 hit "A Teenager In Love" to music for the movie "Dick Tracy" last year, died of lung cancer Thursday in New York at age 65 . . . ROBERT E. KNIEVEL, father of motorcycle stunt driver Evel Knievel, died Thursday at his home in Butte, Mont. . . . NICOLA ROSSI-LEMENI, an opera singer of worldwide renown and a professor of voice at the Univeristy of Indiana, died Tuesday in at Bloomington at age 70 . . . HOWARD ASHMAN, who won an Oscar for the song "Under the Sea" from the film "The Little Mermaid" and wrote and directed the off-Broadway musical "Little Shop of Horrors," died Thursday in New York of AIDS at age 40, the New York Times reported.