[1][2] Warren worked at the New Jersey Courier Post, before joining the Philadelphia Record in 1927.
[1] After twenty years with the Philadelphia Record, Warren moved to the Cincinnati Enquirer in 1947.
[1] In 1973, Warren officially retired from the Cincinnati Enquirer, but continued to draw a weekly cartoon to the newspaper.
He was also nominated for the National Cartoonists Society Reuben award three times during his career.
[1] He received the American Legion 4th Estate award for his patriotic themes in 1974.