Theodor Seuss Geisel in real life, Dr. Seuss was an American cartoonist, poet and writer with an estimated net worth of $11 million in 2012. Dr. Seuss was additionally recognized for his other pencil named such asTheoLeSieg, RosettaStone, and Theophrastus Seuss. Theodor Seuss Geisel was born onMarch 2, 1904 inSpringfield, Massachusetts, U.S. At age 87, Dr. died onSeptember 24, 1991 inLa Jolla,California, U.S. From 1968 until his passing, he was wed toAudrey Stone Dimond. He was formerly wed to Helen Palmer Geisel. He never had a child of his own. Throughout his entire career as an author and writer, Dr. Seuss has composed a total of 46 books.