Question: Who was the first authorized biographer of, Julia Child,American chef, author and television personality?

Context paragraphs:
Richard Blais: Richard Blais (born February 19, 1972) is an American chef, television personality, restaurateur and author.  He is perhaps most recognizable for his win on the reality cooking show "Top Chef", and is known for his take on classic American cuisine.  Blais was the runner-up for the fourth season of "Top Chef" and returned several seasons later to win "Top Chef: All-Stars".  He was a recurring judge in seasons 12 and 13.  He was nominated for a James Beard award for his first cookbook.

Julia Child's kitchen: Julia Child's kitchen is a historic artifact on display on the ground floor of the Smithsonian Institution's National Museum of American History: Kenneth E. Behring Center, located in Washington, D.C., on the National Mall.  The kitchen is not a replica, but is the actual kitchen used by noted 20th-century cookbook author and cooking show host Julia Child, appearing as the backdrop to several of her television shows.

Baking with Julia: Baking With Julia is an American television cooking program produced by Julia Child and the name of the book which accompanied the series.  Each episode featured one pastry chef or baker who demonstrates professional techniques that can be performed in a home kitchen.  It was taped primarily in Child's Cambridge, Massachusetts house (Julia Child's kitchen was converted into a TV studio for the purpose) and was aired over four television seasons from 1996 to 1999; it is still occasionally aired in reruns on Create on PBS digital stations.

Phila Hach: Phila Hach — pronounced "File-ah Hah" (née Rawlings, June 13, 1926 – December 2, 2015) was an American chef, restaurant owner, innkeeper, and caterer who authored 17 cookbooks, including recipe collections for the 1982 World's Fair, Opryland USA and Cracker Barrel restaurants.  She has been called the "grand dame of southern cooking" and counted as good friends Duncan Hines and Julia Child.  Hach catered functions for the United Nations, U.S. mayors and governors, military personnel and celebrities, and was the one of the pastry chefs at the wedding of Princess Diana.

Noël Riley Fitch: Noël Riley Fitch is a biographer and historian of expatriate intellectuals in Paris in the first half of the 20th century.  She is the author of several books on Paris ("Literary Cafes of Paris", "Walks in Hemingway’s Paris") as well as three biographies: "Sylvia Beach and the Lost Generation" (1983), translated into Japanese, Spanish, German, Italian and French; "Anaïs: The Erotic Life of Anaïs Nin" (1993), published in French, German, Spanish, Portuguese, and Polish, and nominated for the Grand prix des lectrices de Elle; and she is the first authorized biographer of Julia Child, with "Appetite for Life: the Biography of Julia Child" (1997).  The Ernest Hemingway book, a biographical and geographical study of his Paris years, has been published in Dutch, the Cafés of Paris book in Dutch and German.

Julia Child: Julia Carolyn Child (née McWilliams; August 15, 1912 – August 13, 2004) was an American chef, author and television personality.  She is recognized for bringing French cuisine to the American public with her debut cookbook, "Mastering the Art of French Cooking", and her subsequent television programs, the most notable of which was "The French Chef", which premiered in 1963.

Michael Hutchings (chef): Michael Hutchings (born 1949) is a professional chef who is best known as the chef/owner of Michael's Waterside in Santa Barbara, California.  He appears with Julia Child on the PBS cooking program "Dinner at Julia's" and on Cox Television with Jeanne Berg's "Cooking Local" program.  Since 2015, he has appeared as the Chef Host of the Santa Barbara ABC-Affiliate cooking program "The Inn Crowd".

Julia Child rose: The Julia Child rose, known in the UK as the Absolutely Fabulous rose, is a golden butter or golden floribunda rose, named after the chef Julia Child.

The Way To Cook: The Way To Cook (1989, Knopf) is a cookbook and series of instructional videos written by the television personality and cooking teacher Julia Child; Child saw it as her magnum opus and considered it the culmination of her career as a cooking teacher.  The book was published by Knopf, the firm that published almost all of Child's work from the beginning to the end of her career.  The video series was produced with and marketed by the WGBH Educational Foundation in Boston but was shot at Child's home in Santa Barbara, California.

Gordon Hamersley: Gordon Hamersley is an American chef based in Boston.  Arguably his roast chicken is his most acclaimed recipe.  It was part of a meal he cooked for Julia Child in her show "In Julia's Kitchen with Master Chefs."  His personal trademark is his ever-present Red Sox cap.

Supporting paragraphs: Noël Riley Fitch Julia Child
Answer: Noël Riley Fitch