There is not much information on when he was diagnosed with his jaw cancer. I believe it was before 1983, according to a biography about him:
http://books.Google.com/books?id=6rnHjVaTKMMC&printsec=frontcover&output=html
This is also a great source on Seuss trivia:
http://www.funtrivia.com/en/People/Seuss-Dr-Theodor-Geisel-4306.html
Yes he died of throat cancer after years of poor health on September 24, 1991. He was cremated (burned to ashes after death) and his ashes were scattered four years after his death on December 1, 1995.
Dr. Seuss, whose real name was Theodor Seuss Geisel, died in La Jolla, California, United States.
Theodroe Geisel died on September 24, 1991 from jaw cancer.
at Mary birch hospital om oct. 24
He died of natural causes from old age.
la jolla California
He killed himself.
September 21 1991
Suicide
Dr. Seuss had one main pseudonym, which was Dr. Seuss. His real name was Theodor Seuss Geisel.
no one really noes how she died
took a poo and got stuck
Dr. Seuss is the pen name of Theodor Seuss Geisel.
Dr. Seuss's real name was Theodor Seuss Geisel, but he used the pen name Dr. Seuss for his books.
Dr.suess's real name was theodor Seuss Geisel and he died in la jolla California
Yes, some Dr. Seuss books were written by authors other than Theodor Geisel, the original Dr. Seuss. For example, some books in the Dr. Seuss Beginner Books series were written by other writers and illustrated by different artists.
.Dr. Seuss died on September 24, 1991 in La Jolla, California.