HarperCollins Publishers is one of the world's leading English-language publishers with headquarters in New York. The company is part of News America Publishing Group, a division of News Corporation. The house of Mark Twain, the Bronte Sisters, Thackeray, Dickens, John F. Kennedy, Martin Luther King, Jr. and Maurice Sendak, HarperCollins was founded in New York City in 1817 by the brothers James and John Harper. The worldwide book group, which was formed following News Corporation's acquisition of the British publisher William Collins in January 1990, has significant publishing interests in the U.S., Canada, the U.K. and Australia.