India, Jan. 25 -- Alfred A. Knopf announced Thursday that Reagan Arthur is its new publisher, succeeding Sonny Mehta, who died at 77 in December after more than three decades at the helm of the august literary imprint.

Arthur, 55, becomes just the fourth head of Knopf, following Knopf himself, Robert Gottlieb and Mehta. The imprint, which has published presidents and popes along with several Nobel Prize winners, celebrated its 100th anniversary in 2015.

Gottlieb, who left Knopf to become the editor of The New Yorker, had chosen Mehta as his successor, in 1987, and last fall Mehta had identified Arthur as his first choice to replace him. Arthur said that while she had long admired Mehta's work, she didn't know him well personally, and th...