Dr. Seuss' first book was rejected 27 times. He was almost ready to give up but bumped into a friend on the street in New York City back in 1937 who had just begun working in publishing. Seuss said that if he had been walking on the other side of the street, he probably would have never been a children's author.
Dr. Seuss wrote 'Green Eggs and Ham' after he was dared to write a book using less than 50 different words.
Dr. Seuss only became a doctor when granted an honorary doctorate by Dartmouth, in 1956. He added " Dr. " to his pen name because his father always wanted him to practice medicine.
Dr. Seuss drew anti-Japanese cartoons during WWII and later wrote Horton Hear's a Who as an apology, dedicating it to a Japanese friend.
Dr. Seuss cheated on his wife who had cancer. She found out, killed herself, and he married his mistress
Dr. Seuss is not pronounced Suice (rhyming with 'juice' but "soice" (rhyming with 'voice')