The pen name of Theodor Seuss Geisel, an advertising cartoonist who wrote and drew more than 40 children's books, among them *The Cat in the Hat*, which launched Random House's Beginner Books.

The 1957 book that became the first in Random House's Beginner Books series for early readers.16 Warner Bros.' animated film, with Bill Hader as the Cat, opened on November 6, 2026.2527
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Theodor Seuss Geisel was born in Springfield, Massachusetts, on March 2, 1904; Seuss was his mother’s maiden name.46 His father managed the family brewery and later supervised the city’s public parks.95 At Dartmouth, where he majored in English, he wrote for the humor magazine Jack-O-Lantern; after he was caught drinking during Prohibition and barred from it, he kept contributing under the name “Seuss.”13 He graduated in 1925 and went on to Lincoln College, Oxford, and in 1927 he married Helen Palmer.1895
Back in the United States he worked as a magazine cartoonist and advertising illustrator.18 His first children’s book, And to Think That I Saw It on Mulberry Street, appeared in 1937, followed by The 500 Hats of Bartholomew Cubbins and Horton Hatches the Egg.2010 In 1943 he joined Frank Capra’s Signal Corps unit, making Army training films and documentaries.6 After the war he and Helen settled in La Jolla, California, where he lived for the rest of his life.17
The Cat in the Hat (1957) was written to a limited vocabulary list for beginning readers, and it became the first book of Beginner Books, the Random House imprint he co-founded.216 How the Grinch Stole Christmas! came out the same year, and Green Eggs and Ham and One Fish, Two Fish, Red Fish, Blue Fish followed in 1960.1810 Books he wrote but did not illustrate appeared under the name Theo. LeSieg.14
Helen died in 1967, and in 1968 he married Audrey Stone Dimond.5 His later books included The Lorax (1971), The Butter Battle Book (1984) and You’re Only Old Once! (1986), which was written for adults.3 He received the Laura Ingalls Wilder Award in 1980 and, in 1984, a special Pulitzer Prize honoring nearly half a century of work for children.151 Oh, the Places You’ll Go! appeared in 1990; he died in La Jolla on September 24, 1991, aged 87.319
Seven more Dr. Seuss books have been published since, among them What Pet Should I Get? (2015) and Dr. Seuss’s Horse Museum (2019), both from manuscripts found in his home.1123 In 2021 Dr. Seuss Enterprises stopped publishing six of his books because of racist and insensitive imagery.20
In order of first publication. Each series is kept together, in reading order, starting where its first book appeared. Books published under the name Dr. Seuss, from Wikipedia's Dr. Seuss bibliography (through 1990) and its list of the seven books published after his death; books he wrote as Theo. LeSieg or Rosetta Stone are left out.1011
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His first children's book; one of six titles Dr. Seuss Enterprises stopped publishing in 2021.20
Based on the 1950 film; not illustrated by Geisel.10
Stories that had appeared only in magazines.22
A live-action film starring Mike Myers as the Cat.30
An animated film that opened with $67.5 million in North America in November 2018.31
Warner Bros. Pictures Animation's film with Dr. Seuss Enterprises, directed by Erica Rivinoja and Alessandro Carloni, with Bill Hader as the Cat.2729
The claim"Seuss" rhymes with "juice," the way nearly every reader says it.17
The recordThe family name, which was his mother's maiden name, was pronounced in the German way, to rhyme with "voice"; the "juice" pronunciation stuck in America, and Geisel adopted it, liking that it rhymed with Mother Goose.617
The claimDr. Seuss was "canceled" in 2021, with his books banned; a Virginia school district had to dispel rumors that it was banning them.21
The recordDr. Seuss Enterprises, the company that manages his work, decided on its own to stop publishing and licensing six titles because of racist and insensitive imagery, after a review with a panel of experts; his other books remain in print.2021
Born in Springfield, Massachusetts.4
Graduates from Dartmouth and goes to Oxford.18
Marries Helen Palmer and begins his career as a cartoonist and advertising illustrator.18
And to Think That I Saw It on Mulberry Street, his first children's book, is published.20
Joins Frank Capra's Signal Corps unit in the Army, making training films and documentaries.6
Moves to La Jolla, California, where he lives for the rest of his life.1
The Cat in the Hat and How the Grinch Stole Christmas! are published.18
Receives the Laura Ingalls Wilder Award.15
Receives a special Pulitzer Prize.1
Dies in La Jolla.19
Dr. Seuss Enterprises announces it will stop publishing six of his books because of racist and insensitive imagery.20
Warner Bros.' animated The Cat in the Hat opens.25
The Cat in the Hat opens in British cinemas on December 4, 2026.28