Which of these writers used the pseudonym "Victoria Lucas"?

"The Bell Jar" (published 1963) was the only novel written by the American poet Sylvia Plath (1932-1963) and was originally published under the pseudonym of "Victoria Lucas". Different titles were also mooted for the novel itself, including "Diary of a Suicide" and "The Girl in the Mirror".

The account of the protagonist Esther Greenwood's mental illness is strongly autobiographical, and, though, sadly, art did not mirror life, as the end of the novel, whilst by no means simplistically optimistic, points to at least the chance of better times ahead for Esther, and Sylvia took her own life only a month after the book's first publication in the UK. It was not published under her own name until 1967, and not in the United States until 1971, with the permission of Sylvia's husband, the late Poet Laureate Ted Hughes, and her mother.

The novel portrays the horrors of some of the psychiatric treatment of the time (such as electroconvulsive therapy, which the author herself underwent, but also gives us a sympathetic portrayal of a progressive female doctor, who ultimately helps Esther.