<P> In Chapter Four, Charles Wallace, Calvin, and Meg witnesses Mrs. Whatsit transform into a centaur - like winged being on the planet Uriel . After explaining their sacrificial backstory to the children, Mrs Whatsit admits to Meg that she had once been one of them, and to Mrs Which that it hadn't been very long (from their perspective) since it happened . </P> <P> Mrs Who is described as a plump woman with spectacles . She communicates in Latin, Spanish, Italian, German, French, Portuguese and Greek, notably quoting William Shakespeare, Pascal, Dante Alighieri, Seneca, A. Perez, Horace, Miguel de Cervantes, Delille, Euripides, the Bible and Johann Wolfgang von Goethe . Mrs Whatsit explains that Mrs Who finds it "difficult to verbalize" in her own words . </P> <P> Mrs Which's physical appearance is not set; she appears as a shimmering light most of the time . However, she does once take on the appearance of a traditional witch with a black hat and broom . She does not stay long in this form, though, as corporeal appearance is quite difficult for her to maintain . She first appears at the end of Chapter 3 . She is the clear leader of the three women and the wisest, and upon appearing, immediately demonstrates her vast knowledge of understanding in tesseract travel . Her distinguishing quirk is her long, drawn - out method of speech, symbolized by doubled and tripled consonants in her words (as in; "Nnoww, cchilldrenn, yyou musstt nott bee frrightennedd att whatt iss ggoingg tto hhappenn,"). She is the one who usually provides the group, most especially Meg, with the clues the children need to solve the problems encountered during their travels . </P> <P> The Man with Red Eyes is a being whom Meg, Charles Wallace, and Calvin encounter on their quest to rescue Meg and Charles Wallace's father on the planet Camazotz . He is the Prime Coordinator on Camazotz . He and IT control Camazotz together and are the main antagonists . He entices Charles Wallace to look into his glowing red eyes in order to find his father . When Charles Wallace does so, he too becomes possessed by the mind of IT, after which the Man with Red Eyes drops out of the story . </P>

When does the book a wrinkle in time take place