Answer: sjperelman

AnswerCrossword Clue
SJPERELMAN"Horse Feathers" humorist
SJPERELMANSource of the quote
SJPERELMANSignature of a well-known humorist.
SJPERELMANAuthor of "Westward Ha!"
SJPERELMANAmerican humorist
SJPERELMAN'The New Yorker' humorist
SJPERELMANHumorist and "Horse Feathers" co-screenwriter
SJPERELMAN"Crazy Like a Fox" writer