Premise: Rick Kirkman (born 1953) is a cartoonist and co-creator of the comic strip "Baby Blues". He received the National Cartoonist Society Newspaper Comic Strip Award in 1995, and the Reuben Award in 2012 for his work on the strip. He also served as co-executive producer of the WB Network TV series of Baby Blues.
Hypothesis: Kirkman stopped working after his Award in 2012