PERSON@1 -LRB- ; March NUMBER@1 , NUMBER@2 -- September NUMBER@3 , NUMBER@4 -RRB- was an MISC@1 writer and cartoonist most widely known for his children 's books written under the pen name Dr. PERSON@2 .

PERSON@1 -LRB- ; March NUMBER@1 , NUMBER@2 -- September NUMBER@3 , NUMBER@4 -RRB- was an MISC@1 writer and cartoonist .
