Question: The Grinch is a fictional character created by an author that died in what year?

full_context: Document 1: How the Grinch Stole Christmas (2018 film): Dr. Seuss' How the Grinch Stole Christmas (promoted theatrically as Dr. Seuss' The Grinch) is an upcoming American 3D computer-animated Christmas musical comedy film produced by Illumination Entertainment. It is based on the 1957 Dr. Seuss' story of the same name. The film will be released on November 9, 2018, by Universal Pictures.
Document 2: Grinch: The Grinch is a fictional character created by Dr. Seuss. He is best known as the main character of the children's book "How the Grinch Stole Christmas!" (1957).
Document 3: Horton the Elephant: Horton the Elephant is a fictional character from the 1940 book "Horton Hatches the Egg" and 1954 book "Horton Hears a Who!", both by Dr. Seuss. Horton is a kind, sweet-natured elephant who cares about other animals or people. Though he goes through many hardships, whether trying to keep an egg warm through storms, rough travels, and humiliating shows, or tries to save a small planet from harm, he always triumphs; the egg hatches into an elephant-bird, while the planet is saved and respected by the others. He is very popular because of his big heart and respectful compassion, which makes him more humorous.
Document 4: The Secret Art of Dr. Seuss: The Secret Art of Dr. Seuss (ISBN  ) is a collection of visual art created by Theodor Seuss Geisel, better known as Dr. Seuss. It was published in 1995, after Geisel's death, by Random House of New York.
Document 5: Grover: Grover, also known as Grover Monster, is a puppet character on the popular television show "Sesame Street". Self-described as lovable, cute and furry, he is a blue monster who rarely uses contractions when he speaks or sings. Grover was originally performed by Frank Oz from his earliest appearances. Eric Jacobson began performing Grover in 1998; he has performed the character regularly since 2001, although Oz still performs him occasionally but not usually.
Document 6: Dr. Seuss bibliography: Theodor Seuss Geisel, better known as Dr. Seuss, published over 60 children's books over the course of his long career. Though most were published under his well-known pseudonym, Dr. Seuss, he also authored over a dozen books as Theo. LeSieg and one as Rosetta Stone. As one of the most popular children's authors of all time, Geisel's books have topped many bestseller lists, sold over 222 million copies, and been translated into more than 15 languages. In 2000, when "Publishers Weekly" compiled their list of the best-selling children's books of all time; 16 of the top 100 hardcover books were written by Geisel, including "Green Eggs and Ham", at number 4, "The Cat in the Hat", at number 9, and "One Fish Two Fish Red Fish Blue Fish", at number 13, and "Dr. Seuss's ABC". In the years following his death in 1991, several additional books based on his sketches and notes were published, including "Hooray for Diffendoofer Day!" and "Daisy-Head Mayzie". Although they were all published under the name Dr. Seuss, only "My Many Colored Days", originally written in 1973, was entirely by Geisel.
Document 7: You're a Mean One, Mr. Grinch: "You're a Mean One, Mr. Grinch" is a children's Christmas song that was originally written and composed for the 1966 cartoon special "How the Grinch Stole Christmas!"
Document 8: Horton Hears a Who!: Horton Hears a Who! is a children's book written and illustrated by Theodor Seuss Geisel under the pen name Dr. Seuss and was published in 1954 by Random House.
Document 9: Dr. Seuss Memorial: The Dr. Seuss National Memorial Sculpture Garden is a sculpture garden in Springfield, Massachusetts that honors Theodor Seuss Geisel, better known to the world as Dr. Seuss. Located at the Quadrangle, the Dr. Seuss National Memorial Sculpture Garden honors the author and illustrator, who was born in Springfield in 1904. The monument was designed by Lark Grey Dimond-Cates, the author's stepdaughter and created by Sculptor and Artist Ron Henson.
Document 10: Greg Heffley: Gregory "Greg" Heffley is a fictional character and the main protagonist of the realistic fiction novel series "Diary of a Wimpy Kid" created by American cartoonist Jeff Kinney. He serves as both the unreliable narrator and antihero of the series. He is heavily inspired to his supposed girlfriend, Holly Hills.
Document 11: Thurl Ravenscroft: Thurl Arthur Ravenscroft ( ; February 6, 1914May 22, 2005) was an American voice actor and bass singer known as the booming voice behind Tony the Tiger's "They're grrreat!" in Kellogg's Frosted Flakes television commercials for more than five decades. Ravenscroft was also known, albeit uncredited, as the vocalist for the song "You're a Mean One, Mr. Grinch" from the classic Christmas television special, Dr. Seuss' "How the Grinch Stole Christmas!"
Document 12: The Lorax: The Lorax is a children's book written by Dr. Seuss and first published in 1971. It chronicles the plight of the environment and the Lorax, who speaks for the trees against the Once-ler. As in most Dr. Seuss works, most of the creatures mentioned are original to the book.
Document 13: Oh Say Can You Say?: Oh Say Can You Say? is a children's book written and illustrated by Theodor Geisel under the pen name Dr. Seuss, and published in 1979 by Random House. It is a collection of 25 tongue-twisters such as "Oh my brothers! Oh my sisters! These are Terrible Tongue Twisters!" It was Dr. Seuss's last beginner book.
Document 14: Mr. Brown Can Moo! Can You?: Mr. Brown Can Moo! Can You?: Dr. Seuss's Book of Wonderful Noises! is a children's book written and illustrated by Theodor Geisel under the pen name Dr. Seuss and published by Random House in 1970.
Document 15: Dr. Seuss: Theodor Seuss Geisel ( ; March 2, 1904 – September 24, 1991) was an American author, political cartoonist, poet, animator, book publisher, and artist, best known for authoring children's books under the pen name Dr. Seuss ( ). His work includes several of the most popular children's books of all time, selling over 600 million copies and being translated into more than 20 languages by the time of his death.
ground_truth: 1991