[4][5] She also worked as a costume designer for John Chamberlain film The Secret Life of Hernando Cortez (1968).
[2][3] Amongst her clients were Jacqueline Kennedy Onassis, Florence Knoll Bassett, Jean Harvey Vanderbilt,[11] and Twiggy.
[1][3] In 1962, Morse was featured in an eight page spread in Life magazine, with photographs by Mark Shaw, where she was attending to a textile buying trip in multiple locations in Asia.
[2] Her 1966 fashion show was held in her friend Jan Yoors artist loft in Manhattan, and featured black lights, fluorescent clothing, and a catwalk suspended above the audience; it was attended by Andy Warhol and the Factory, Edie Sedgwick, Halston, and others.
[3] Morse was named one of the "fashion revolutionaries" in New York by Women's Wear Daily in 1966, alongside Edie Sedgwick, Baby Jane Holzer, Pierre Cardin, Paco Rabanne, Rudi Gernreich, André Courrèges, Emanuel Ungaro, Yves Saint Laurent, and Mary Quant.
[1] Morse was a known amphetamine addict,[4][9] and died on April 22, 1972, at age 40 from a drug overdose while visiting New York City.