Stuck on a crossword? ‘___ Bird’ biographer could be the answer

The answer to this crossword question is “Kai.” Kai Bird is a Pulitzer-winning biographer known for his work on Robert Oppenheimer, the physicist often referred to as the “father of the atomic bomb.” Bird’s book, “American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer,” won the Pulitzer Prize for Biography in 2006, cementing his reputation as one of the foremost chroniclers of one of the most important and controversial figures in modern history. Overall, “Kai Bird, Pulitzer-winning biographer of Robert Oppenheimer” is a fitting and accurate clue for anyone who is even passingly familiar with the world of literary and historical nonfiction.